Answers
The correct answer is C Gametes are haploid. In organisms that reproduce by sexual means, the fusion of gametes restore the chromosomal load needed for diploid organisms to develop.
Related Questions
characteristics of contaminated water
Answers
Contaminated water is a type of water that is harmful to human beings due to the presence of harmful substances, pollutants, or impurities that make the water unsafe for drinking or other household uses. The characteristics of contaminated water can be identified through various indicators, which can either be physical, biological or chemical.
Physical indicators are visible and may include color, taste, and odor, while biological indicators are not visible and may include bacteria, viruses, and protozoa. Chemical indicators may include heavy metals, pesticides, and organic compounds, among others.
Physical Characteristics: Physical characteristics of contaminated water include cloudy or turbid appearance, unusual taste or odor, or discoloration of the water. The color may range from yellow to brown, blue to green, or even black.
Biological Characteristics: Biological characteristics of contaminated water include the presence of bacteria, viruses, or protozoa. These microorganisms can cause diseases such as diarrhea, typhoid, cholera, and dysentery.
Chemical Characteristics: Chemical characteristics of contaminated water include the presence of heavy metals such as lead, arsenic, or cadmium. Pesticides and fertilizers can also contaminate water and affect human health. Organic compounds like benzene and toluene can also be present in contaminated water, which can lead to health problems such as cancer and nerve damage.
Therefore, it is important to test water sources regularly to identify and monitor any contaminants that may be present. This can help prevent health problems associated with the use of contaminated water.
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true or false: The endocrine system is made up of organs called neurons that release chemical signals directly into the bloodstream.
Answers
I’m 100% sure it’s false
Carlton and Vanessa are lab partners in their biology class. One of their labs was to run the smell test experiment on each other.
When performing the smell test, Vanessa was quite good at noticing a difference between the various intensities of vanilla and also
the various intensities of evergreen. Although Carlton could distinguish what the vanilla and evergreen smells were, he couldn't tell
there was a difference in the intensities in the vanilla or the evergreen. Based on the information presented in this scenario, which
of the following is true?
Vanessa has a more sensitive difference threshold than Carlton.
Carlton has an impaired absolute threshold.
Vanessa has a better absolute threshold than Carlton.
Carlton has the superior performance with respect to the difference threshold.
Vanessa has an impaired absolute threshold.
Answers
Vanessa has a better absolute threshold and more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.
Carlton and Vanessa were lab partners for a biology class and were asked to run a smell test experiment on each other.
Vanessa was excellent at noticing the difference between various intensities of vanilla and evergreen.
Carlton, on the other hand, couldn't distinguish the difference in the intensities of both vanilla and evergreen, though he could tell the smells of both.
Hence, based on the information provided in the scenario, it can be inferred that Vanessa has a more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.
The two significant aspects that are involved in the scenario are absolute threshold and difference threshold.
The absolute threshold is the smallest quantity of a stimulus that an individual can detect, whereas the difference threshold is the minimum difference in stimuli that an individual can detect.
Carlton could recognize the stimuli's smell but not the difference in the intensity of vanilla and evergreen.
This shows that Carlton has an impaired absolute threshold.
He could not detect the smallest quantity of a stimulus to differentiate between the smells.
Vanessa was quite good at noticing the difference in the intensities of vanilla and evergreen.
This means that Vanessa has a more sensitive difference threshold than Carlton. She could detect the minimum difference in stimuli required to differentiate between smells.
Vanessa also has a better absolute threshold than Carlton as she could detect the smallest quantity of stimulus required to detect the smells.
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A baby with blood group AB I born into a family where the mother has blood group type B and the father has type O
Determine whether the husband is the biological father of the baby
Answers
The baby AB received the IB allele from the mother and the IA allele from another person. The husband is not the biological father of the baby.
What are the blood type alleles?
Blood type is coded by a triallelic gene
IA allele is dominant over the i alleleIB is dominant over the i allele IA and IB are codominanti is the recessive alleleThe genotypes and phenotypes are
IAIA and IAi → Type AIBIB and IBi → Type BIAIB → Type ABii → Type 0
In the exposed example,
Baby → AB → IAIBMother → B → IBIB or IBiHusband → 0 → ii
The baby carries one IA allele and one IB allele.
The IB allele was inherited from the mother. The husband could only transmit a recessive allele i. But the baby does not carry any recessive allele.
The baby received the IB allele from the mother and the IA allele from another person.
The husband is not the biological father of the baby.
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Are shoebills tertiary consumers?
Answers
Answer:
Yes, they are!
Explanation:
While inhabiting marshy areas, the Balaeniceps rex is found to be both a secondary and tertiary consumer preying on fish ranging in size from that of Large Mouth Bass to the small Pacific Herring, and other aquatic organisms such as frogs similar to the Red Eyed Tree Frog
The mass of a silver ring is 21 g. Its volume is 2 cm3. Is the ring made of pure silver? (Yes or No).
Answers
The ring is made up of silver. This statement is true.
It is given that the mass of a silver ring is 21 g.
Volume is 2 \(cm^{3}\)
We need to determine if the ring is made up of silver or not.
As we know that density is defined as the ratio of mass and volume.
The density of silver is \(10.49gm/cm^{3}\).
If the calculated value comes out to be same, it is made of silver, otherwise not.
Now,
Density = \(\frac{Mass}{Volume}\)
\(=\frac{21}{2}\)
\(10.50gm/cm^{3}\)
It is approximately same. Hence the ring is made of silver.
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Choose one organism from the milkweed community, and describe what would happen if that organism became extinct. ASAP
Answers
Asclepias syriaca is one of the example of milkweed community
A "trophic cascade" (also known as a "trophic effect cascade") occurs when a species loses its ability to perform a certain role in its ecosystem, which has an influence on both other species and the ecosystem as a whole.
What is ecosystem?
The term "ecosystem," which is also used to refer to an ecological system, refers to the entire living world and the surroundings it inhabits. The cycles of nutrition and energy are the links between these biotic and abiotic elements. Through photosynthesis, energy is introduced into the system and taken up by plant tissue. Animals make a significant contribution to the transfer of resources. The biomass levels of the microbial and plant populations are also impacted.
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[6] Calculate the percent change of pH for the water using the formula below. Show your work.
Percent Change of pH = 100 x (pH at 5 drops - pH at 0 drops) / (pH at 0 drops)
Answers
The percentage change of pH for the water is 56%.
In this exercise, you're required to calculate the percent change of pH for water from an experiment by using the necessary parameters (values).
In Chemistry, pH literally means the power of hydrogen ions and it's a measure of the molar concentration of hydrogen ions in a particular solution, thus, specifying the;
Acidity of a chemical solution.Neutrality of a chemical solution.Basicity (Alkanility) of a chemical solution.A pH scale measures the concentration of hydrogen ions in acidic and alkaline solutions. Typically, the pH scale is calibrated with a standard measurement that ranges from 0 to 14.
Note: The required parameters are missing from the question. Thus, let's assume some values to illustrate how to solve the question.
Assumed data:
pH at 0 drops = 2.5
pH at 5 drops = 1.1
Mathematically, the percentage change of pH would be calculated by using this formula;
\(Percent \;Change \;of \;pH = \frac {pH \;at \;5 \;drops\; - \;pH \;at \;0 \;drops}{pH \;at \;0 \;drops}\) × \(100\)
Substituting the values into the formula, we have;
\(Percent \;Change \;of \;pH = \frac {1.1 \;- \;2.5}{2.5}\) × \(100\)
Note: The negative sign must always be neglected when solving for percentage change.
\(Percent \;Change \;of \;pH = \frac {1.4}{2.5}\) × \(100\)
\(Percent \;Change \;of \;pH = 0.56\) × \(100\)
Percentage change of pH = 56%
Therefore, the percentage change of pH for the water is 56%.
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What is the allele that determines the phenotype with respect to a particular gene?
A. Dominant allele
B. Recessive allele
C. Deleterious allele
D. Dominant trait
Answers
The allele that determines the phenotype with respect to a particular gene is the option A. dominant allele.
In genetics, alleles are alternate forms of a gene that occupy the same position (locus) on a chromosome. Each individual inherits two alleles for each gene, one from each parent. The interaction between these alleles determines the expression of the gene and ultimately the phenotype, which refers to the observable characteristics or traits of an organism.
A dominant allele is one that exerts its effect even if there is only one copy present in the individual's genotype. It masks the effect of the recessive allele, which is only expressed when two copies of the recessive allele are present.
When an individual possesses a dominant allele for a particular gene, it determines the phenotype associated with that gene. This means that the trait associated with the dominant allele will be expressed, regardless of whether the other allele in the pair is dominant or recessive. Therefore, the correct answer is option A.
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Which are vital signs?
O temperature, respiratory rate, and weight
O muscle mass, height, and weight
Oheart rate, temperature, and height
temperature, respiratory rate, and heart rate
Answers
The correct combination of vital signs is temperature, respiratory rate, and heart rate.
Vital signs are key measurements that provide important indicators of a person's physiological status and overall health. They help healthcare professionals assess and monitor a patient's condition. The vital signs typically include temperature, respiratory rate, heart rate, and blood pressure. Among the options provided, the correct combination of vital signs is temperature, respiratory rate, and heart rate.
Temperature is a measure of the body's internal heat. It can be measured orally, rectally, or with the help of infrared thermometers. Deviations from the normal range may indicate fever or hypothermia, which can be indicative of underlying health issues.
The respiratory rate refers to the number of breaths a person takes per minute. It provides insight into lung function and overall respiratory health. Abnormal respiratory rates may suggest respiratory distress or underlying pulmonary conditions.
Heart rate, also known as pulse rate, measures the number of times the heart beats per minute. It reflects cardiac activity and can be assessed by feeling the pulse at various points in the body. Deviations from the normal heart rate can indicate cardiovascular problems or other physiological abnormalities.
Weight, muscle mass, and height are not typically considered vital signs. They are important anthropometric measurements used for assessing overall body composition, growth, and nutritional status. While these measurements are relevant in healthcare, they are not classified as vital signs.
In summary, the vital signs include temperature, respiratory rate, and heart rate. Monitoring these parameters allows healthcare professionals to gain valuable insights into a patient's health status, identify potential issues, and make informed decisions regarding treatment and care.
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Water is able to dissolve sodium chloride because
A. The polar areas of water molecules attract the oppositely charged ions of sodium chloride
B. The shape of the water molecules pushes the sodium and chloride ions apart
C. The oxygen in the water molecules reacts with the sodium and chloride ions
D. Water molecules and sodium chloride are covalently bonded
Answers
When salt is mixed with fluid, it dissolves because the covalent connections in water were weaker compared to the ions interactions in salt molecules.
The correct answer is :A.
What causes sodium chloride to be less readily soluble in water?This is owing partially to the fewer charges that exist for the electrons ion chloride of sodium, Na+ or Cl-, compared to the ions in carbonate of soda, Ca2+ and CO32-. The higher the electrical charges on the ions, the greater their electrostatic attraction to each other, therefore therefore the more difficult it is for liquid to separate them.
Which solution is created when the salt is dissolved with water?As a result, when NaCl dissolves in water, the element sodium becomes dehydrated. As a result, the proper answer to this question is D, which is hydrated. Nota bene: In the field of chemistry salt is defined as an ionic form that interacts with cations and anions.
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HELLLPPPP REMEMBER IS DUE SOON !!!!! I WILL GIVE YOU A BRANLIEST !!!!!!!!!!!!!|
A scientist finds a tiny fragment of a bone too small to be classified by its appearance. The scientist studies the tiny fragment and concludes that it belonged to an ancient primate species. How was the scientist able to classify the bone?
Answers
Answer:
Through a microscope.
Explanation:
A stereozoom microscope is a handy instrument for magnifying small features on the surface of a bone.
Answer:
Through a microscope
Explanation:
I just know
100 words
Have you personally experienced unprofessional behavior from a healthcare provider or coworker in the past? If so, please share the experience and how it made you feel as a patient or coworker.
Answers
I want to help you, I was in the process of answering the question with my own experience. However, this is really personal and it's asking for one of your own experiences. I'm sorry, but you can do it♡
1. After examining the DNA fingerprint of the victim and then the seven suspects, which
suspect committed the crime? How did you determine this?
2. When looking at the DNA fingerprints for the sets of twins, write “identical” or “fraternal”
next to the corresponding sets of letters:
AA
BB
CC
DD
3. How did you determine which twins were fraternal and which were identical?
4. Make up a mystery. Write a crime story using the information in this lab activity (1 page
minimum; write 1.5+ pages for full credit). Give names to the suspects and develop a
mystery plot, solving it including who you discovered as the criminal in this lab. Make
sure your story includes detailed description and dialogue between characters.
Answers
1. DNA evidence alone is not always sufficient to determine guilt or innocence, and any determination of criminal responsibility requires a thorough and fair legal process.
2. Identical: AA, CC; Fraternal: BB, DD
3. Identical twins come from a single fertilized egg that splits into two, while fraternal twins come from two separate eggs that are fertilized by two different sperm. Identical twins will have identical DNA fingerprints, while fraternal twins will have similar but not identical fingerprints. The only way to definitively determine whether twins are identical or fraternal is through genetic testing.
4. Detective Jane Smith is on the case to solve a robbery at a local jewelry store. The owner claims a valuable diamond ring was stolen.
There are three suspects: John, Sarah, and Mike, all former employees of the store. Jane investigates and takes DNA samples from the crime scene and from the suspects. After analyzing the DNA fingerprints, she discovers that the DNA from the crime scene matches Sarah's DNA. When confronted, Sarah admits to stealing the ring because she needed money to pay off her gambling debt. Sarah is arrested, and the ring is returned to the store owner.
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why is it painful when a bee stings you.
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Jose Salazar has been hospitalized following a motor vehicle accident. He has several broken bones, including his left jaw, two ribs on the left side, and a compound fracture of his left leg. According to his medical record, he is 47 years old, his height is 5'9", and his weight is 171 pounds. During the course of his hospital stay, he was diagnosed with a heart arrhythmia. His current medications include lovastatin to lower his cholesterol, an MAO inhibitor to treat depression, and an analgesic to treat his pain. Mr. Salazar's wife also reports that he takes several herbal products including yohimbe, kava, valerian, and St. John's wort. Which herbal product taken by Mr. Salazar may be causing his heart arrhythmia?a. yohimbeb. kava kava onlyc. St. John's wortd. valerian onlye. both valerian and kava kava
Answers
Answer:
a. yohimbeb
Explanation:
Heart arrhythmia is a heart disease in which the heart does not work properly. The main cause of heart arrhythmia is yohimbeb which is used as a medicine for increasing sexual desires but this herbal product also has side effects such as causing heart problems such as heart arrhythmia and kidney diseases. So the Jose Salazar should avoid the consumption of yohimbeb in order to control the heart disease.
which of the following human diseases is caused by a virus that requires reverse transcriptase to transcribe its genome inside the host cell?
Answers
AIDS is the next human disease caused by a virus that requires reverse transcriptase to transcribe its genome inside the host cell.
Human Immunodeficiency Virus (HIV) uses reverse transcriptase to make a double-stranded RNA copy of its DNA genome. - Retroviruses like HIV have an RNA genome and can use reverse transcriptase to create a double-stranded DNA copy of the genome and integrate it into the genome of the host cell.
Cells in which the virus utilizes metabolism for growth and replication or cells into which plasmids are introduced in recombinant DNA experiments. In bioprocessing, cells engineered and cultured to express the protein of interest are the host cells of the expression system.
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What are the components of both hydraulic and pneumatic fluid systems?
Answers
Answer:
Hydraulic and Pneumatic Fluid Power Parts and Systems Bearing Service is a stocking distributor for a full line of hydraulic and pneumatic components such as pumps, motors, valves, cylinders, actuators, transfer pumps, filters, regulators, lubricators, air dryers, and filtration units.
Explanation:
Use your codon chart to determine the amino acid sequence. Remember to read through the strand and ONLY start on AUG and STOP when you reach a stop codon (UGA, UAA, or UAG). Follow the example in the box. Abbreviate the proteins using the first three letters of the amino acid name.
Answers
Methionine (AUG)Amino acids can be abbreviated using the first three letters of their name.
Methionine can be abbreviated as Met.
The given RNA sequence is AUGUAACGAUGCGUCGUGGCAUCAUGCUGCGUCAGCGGCGAGUCUGACCCGUCUCUAACAGGACGGCCGGGCGUUGUCGUUGA.
We can use the codon chart to determine the amino acid sequence.
The codon chart is used to determine which amino acid is coded by a particular codon in a strand of DNA/RNA.A codon is a sequence of three nucleotides in DNA or RNA that encodes for a specific amino acid.
Each codon codes for a different amino acid.
For example, the codon AUG codes for the amino acid methionine.
To determine the amino acid sequence, we start reading the RNA strand from the start codon AUG and continue reading until we reach a stop codon (UGA, UAA, or UAG).
Then we write down the amino acid sequence for the codons we read, using the codon chart.
Here, the sequence starts with AUG, which codes for methionine.
After that, the next codon is UAA which is a stop codon, so we can stop.
The amino acid sequence is therefore Methionine. So, the answer would be Methionine (Met).
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Pick which symbols will represent each phenotype (brown fish, speckled, transparent).
Genotype
Pedigree symbol
Answers
The symbols representing each phenotype in the given genotype for a pedigree can be chosen as follows:
- Brown fish: B
- Speckled fish: S
- Transparent fish: T
1. Determine the genotypes associated with each phenotype.
- Brown fish: BB or Bb
- Speckled fish: SS or Ss
- Transparent fish: TT
2. Assign symbols to represent each phenotype.
- Choose a symbol to represent the brown fish phenotype, such as B.
- Choose a symbol to represent the speckled fish phenotype, such as S.
- Choose a symbol to represent the transparent fish phenotype, such as T.
3. Associate the symbols with the corresponding genotypes.
- Brown fish: BB or Bb (represented by the symbol B)
- Speckled fish: SS or Ss (represented by the symbol S)
- Transparent fish: TT (represented by the symbol T)
By assigning distinct symbols to each phenotype, it becomes easier to represent and analyze the genotypes in a pedigree. This allows for clear communication and understanding of the inherited traits within a family tree.
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Which of the following pairs of characteristics is true of sexual reproduction?
A. It has no effect on genetic variation, and its processes are
evolutionarily diversified in eukaryotes.
B. It increases genetic variation, and its processes are evolutionarily
diversified in eukaryotes.
C. It has no effect on genetic variation, and its processes are
evolutionarily conserved in eukaryotes.
D. It increases genetic variation, and its processes are evolutionarily
conserved in eukaryotes.
Answers
Answer: Abstract The genetic variation in a partially asexual organism is investigated by two ... These results apply to large populations with stable reproductive systems. ... Asexuality affects this variation in two different ways. ... in their means, the resulting combined distribution will not have two distinct peaks but ...
Explanation:
Answer
The answer is B
explanation
What is the complementary DNA strand from the following DNA
template:
GGTACTAGCCATATCG
A- CCATGATCGGTATAGC
B- OTTATGATCGGTATAGC
C- CCAUGAUCGGUAUAG
D- OGGTACTAGCCATATCG
Answers
Answer:
The third one
Explanation:
Hey There!
Just so you know when you try to find the complementary base strand you put the letter of the nucleotide that it pairs with
Guanine pairs with Cytosine
Thymine Pairs with Adenine
Adenine Pairs with Uracil
Cytosine Pairs with Guanine
If you have anymore questions feel free to ask :)
“Scientist have long understood how nutrients move from the oceans surface to its depths. As phytoplankton die, they sink and collect on the ocean floor. But if nutrients are continually sinking to the depths of the ocean, how are surface waters replenished with nutrients? Scientist discovered that in certain regions of the ocean, the nutrients-rich deep water was upwelling, or rising to the surface”
which phrase from the paragraph helps you to understand that ocean health involves steady restoration
Answers
Answer:
"As phytoplankton die,they sink and collect on the ocean floor"......."scientist discover that in certain regions of the ocean the nutrients deep water was rising to the surface"
Explanation:
this shows steady restoration of ocean nutrients
As seen that the death of planktons lead to uprise in oceanic nutrients .the cycle just keeps going on and on
its quite self explanatory
What type of inheritance occurs when one allele is not completely
dominant over another and offspring are produced with blended
traits?
a. Incomplete dominance
b. Codominance
c. Multiple Alleles
d. Polygenic Traits
Answers
Incomplete dominance is the type of inheritance occurs when one allele is not completely dominant over another and offspring are produced with blended traits.
What is incomplete dominance and how one allele is not dominant over another?Incomplete dominance is a type of inheritance in which is a direct relation between alleles with a hetrozygote phenotype.The genotypic and phenotypic ratio of incomplete dominance is same that 1:1. The major example through which was explained the incomplete dominance is snapdragon, antirrhiunim majus having blended traits.Scientists crossed white flowered plant and homozygous red flowered plant which results in the production of pink flowers.Here in the experiment comes the heterozygote phenotype intermediate between two homozygote phenotypes.To know more about incomplete dominance visit:
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How much of the Earth’s water is usable as a freshwater resource? a. 75% b. 3% c. 100% d. 25%
Answers
Answer:
B nearly percent
Explanation:
I had the quiz
Wood is a substance that burns in the presence of oxygen. Which best describes this property of wood?
O reactive
O combustible
metallic
O sour
Answers
What is the hematocrit if the red blood cells are represented by a measurement of 14 mm, and the overall blood volume is represented by a measurement of 35 mm?
Answers
In Activity 2, which of the respirometers serves as a control? Explain your answer! Why was it the control? You should write at least 3 sentences to explain this. Respirometer A contains germinated beans. respirometer B contains dormant beans and plastic beads respirometer C contains plastic beads.
Answers
In Activity 2, the respirometer C serves as the control. A control is an essential part of any scientific experiment as it provides a baseline against which the experimental results can be compared.
Respirometer C containing only plastic beads does not contain any living organisms and therefore does not undergo cellular respiration. By comparing the results of respirometers A and B with the control (respirometer C), any changes in oxygen consumption and carbon dioxide production can be attributed to the metabolic activity of the germinated beans in respirometer A and the dormant beans in respirometer B.
This allows researchers to determine the specific effects of germination on cellular respiration by isolating the variables and eliminating any external factors that could influence the results.
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What is the correct sequence of events that occur during protein synthesis?
1.mRNA is formed
2.amino acids form polypeptides.
3.a strand of dna segment unwinds.
4.mRNA attaches to ribosomes.
5.tRNA supplies the required amino acids.
Answers
Answer:
3, 1, 4, 5, 2
Explanation:
DNA helicase enzyme will unwind DNA into 2 segments for a template. Complementary nitrogenous bases will attach themselves to one of the DNA strands. mRNA carries codons for instructions from DNA. mRNA leaves the nucleus and joins with a ribosome (tRNA) in the cytoplasm. tRNA has anticodons which are complementary to a specific mRNA molecule. tRNA pairs with and translates instructions that the mRNA is carrying. Each amino acid delivered to the ribosome by tRNA begins forming a chain of amino acids, called a peptide bond.
Some igneous rock forms from magma that cools slowly within Earth’s crust. Briefly describe the most likely crystallization and texture of the rock. Other igneous rock forms from lava that cools quickly on Earth’s surface. Classify the rock as either intrusive or extrusive, and identify another word used to describe this type of rock. You are studying a sample of igneous rock. The rock formed on the surface of Earth. It’s made mostly of light-colored minerals. The sample has just a few specks of dark-colored minerals. Classify the rock by type and composition. You are studying a sample of igneous rock. The rock formed within Earth’s crust. The sample contains a very high concentration of dark-colored, high-density minerals. Classify the rock by type and composition. A scientist shows you a sample of rock called gabbro. The scientist explains that gabbro is an intrusive mafic igneous rock. Explain what this means.
Answers
2. Igneous rock that forms from lava that cools quickly on Earth's surface is called extrusive igneous rock. This type of rock is also known as volcanic rock.
3. The igneous rock with mostly light-colored minerals and just a few specks of dark-colored minerals is likely a felsic extrusive igneous rock, such as rhyolite.
4. The igneous rock with a high concentration of dark-colored, high-density minerals likely belongs to the mafic intrusive igneous rock category, such as gabbro.
5. Gabbro is an intrusive mafic igneous rock, which means that it formed from magma that cooled slowly beneath the Earth's surface, allowing for the formation of large crystals. Mafic refers to the high concentration of dark-colored minerals, such as iron and magnesium, which give the rock its characteristic dark color.