All of the following conditions help preserve organisms as fossils EXCEPT
a. quick burial by sediments
b
c. protection from scavengers
d. activities of microorganisms
hard parts
Please select the best answer from the choices provided
A
B
C
D
Save and Exit
Next
Answers
Answer:
Activities of Microorganisms
Explanation:
Because I got the answer correct on edge 2021
Answer:
D
Explanation:
Related Questions
Predators such as foxes, owls, woodpeckers, and skunks make up the
of a deciduous forest.
A secondary consumers
B tertiary consumers
C primary consumers
D producers
Answers
Answer:
A: secondary consumers
Explanation:
All the animals that are listed eat other animals but are not at the top of the of the food chain.
Where did the pollution from the acid rain and factory in the virtual lab eventually end up? air groundwater lakes rivers.
Answers
Answer:
groundwater
Explanation:
because rain......
The pollution from the acid rain and factory could potentially end up in any of the listed options depending on the specific circumstances of the virtual lab.
What is acid rain?Acid rain is rain that is more acidic than normal due to the presence of high levels of sulfuric and nitric acids. These acids form when certain pollutants, such as sulfur dioxide and nitrogen oxides, are released into the air and react with water, oxygen, and other chemicals in the atmosphere. Acid rain can occur naturally, but it is most commonly caused by human activities, such as the burning of fossil fuels (such as coal and oil) and the use of certain industrial processes.
Acid rain can have negative impacts on the environment, including damage to forests, lakes, and other ecosystems, and it can also have harmful effects on human health. Acid rain can be reduced by reducing the emission of pollutants that contribute to its formation, such as through the use of cleaner technologies and the implementation of emissions controls.
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which of the following molecules do plants need to carry out photosynthesis?
Answers
Answer:
carbon dioxide
Explanation:
Carbon dioxide proceeds to enter through the tiny holes in a plants leaves, roots, stem or flower. The other things it needs to carry out the process of photosynthesis includes; water and sunlight.
4. How is biodiversity affected as a result of deforestation? *
Biodiversity increases and deforestation increases
Biodiversity increases as deforestation decreases
Deforestation increases as biodiversity increases
Biodiversity is not affected by deforestation
Answers
(1) What will be the frequency of the recessive allele in a population of 100 kangaroos if there are 50 dominant alleles?
a. 150
b. 0.75
c. 0.50
d. 0.25
(2) If the frequency of the recessive allele for a gene is 0.3, calculate the expected frequency of heterozygotes in the next generation if the population is in Hardy-Weinberg equilibrium.
a. 0.42
b. 0.21
c. 0.70
d. 0.30
Answers
Answer:
1. Option c
2. Option a
Explanation:
1. If there are 50 dominant alleles, this represent the frequency of dominant alleles p = 50/100 = 0.5
Using the formula p+q = 1 we can solve for the frequency of the recessive alleles q = 1 -0.5 = 0.5 = 50%.
2. the frequency of the recessive allele for a gene is 0.3 which is q = 0.3
From the Formula p + q = 1 we can solve for p the frequency of the dominant alleles = 1 - 0.3 = 0.7
To calculate for the number of heterozygotes, we use 2pq = 2 x 0.7 x 0.3 = 0.42
"If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, what product will be collected?"A. Transgenic bacterial plasmidsB. Hepatitus B frusesC. Hepatitus B vaccineD. Hepatitus resistant bacteria
Answers
If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, the product collected will be transgenic bacterial plasmids, inside the bacteria, in order to proove if the transgenic plasmid actually gives the bacteria resistance to the virus, it has to be grown in an infected medium.
The correct answer is option A.
Describe how urban development can increase flooding.
Answers
Answer:The changes in land use associated with urban development affect flooding in many ways. Removing vegetation and soil, grading the land surface, and constructing drainage networks increase runoff to streams from rainfall and snowmelt.
Explanation:
Would somebody help me with this question ?
What are the benefits and drawbacks of using molecular and DNA tests on species?
Answers
Molecular and DNA tests have become increasingly popular in
Benefits:
1. Accuracy: Molecular and DNA tests are highly accurate and can provide definitive identification of a species.
2. Speed: These tests can be completed faster than traditional methods such as morphological identification.
3. Non-invasive: Some molecular and DNA tests can be performed on non-invasive samples, such as feces or hair, without harming the animal or plant.
4. Genetic diversity analysis: DNA tests can provide information on the genetic diversity of a species and help identify genetically distinct populations.
5. Conservation: The accuracy and precision of molecular and DNA tests can help in conservation efforts by identifying endangered or threatened species.
Drawbacks:
1. Cost: Molecular and DNA tests can be expensive and may require specialized equipment and expertise.
2. Sample quality: The quality of the DNA sample can affect the accuracy of the test. Poor quality samples, such as degraded or contaminated DNA, may lead to inaccurate results.
3. Complexity: Molecular and DNA tests can be complex, and the interpretation of the results may require specialized training and expertise.
4. Limited information: While DNA tests can provide information on species identity and genetic diversity, they may not provide information on other important characteristics such as behavior, ecology, or physiology.
5. Ethical concerns: There may be ethical concerns related to the collection of DNA samples, particularly from endangered species or those in protected areas.
"The article 'Rellability of Domestic-Waste Biofilm Reactors' (D. of Envir. Engr.. 1995-785-790) 50ggests that substrate. concentration (mg/cmA3) of influent to a reactor is normally distributed with mu=30 and sigma = 06 . Which statement characterizes the largest 5% of all concentration values? The 95 th percentle of the standard normat distribution watisfes Phi(z) - 95 , from which z=1.645,50,c−30+(1,645)(06)=3987, The largest 5% of all concentration valueh are above 3987mg/cm −7
"The 95 th percentile of the standard norral distribution satisfies Phicz - 95 , from whilich z=−1.645,50.6=30−(5,645(06)=2013. The largest 5% of all concentration values are loss 2013 m/m/cm3 ∗
"The 95 th percentile of the standard normal distribution satishes Phi(2) - 95, from which z=−1.645,50,c+30−(1,645)(06)=2013. The Largest 5% of all concentration values are above 2013mg/cm3, "The 95th percentile of the standard normal distribution satisfies Philz - .95, from which z −1.645 So, c=30+(1.645)(06)=3987. The largest 5% of all concentration values are less 3987mg/cm 2
" None of the statements are true Question 3 Construct a normal probability plot for the data found on page 187 problem 88 . Which statement is true about the probability plot? The plot shows some non trivial departures from linearity, especially in the fower tail of the distribution. This indicates a normal distribution might not be a good fit to the population distribution of clubhead velocities for female golfers." The plot shows linearity. This indicates a normal distribution is a gond fit to the population chistribution of clubhead velocites for fervule goters "The plot shows some non trival departures from linearity. especially in the center of the distribution. This indicistes a normal distribution would be a good fit to the population distritution of clubhead velocities tor female golters" The plot shows linearity. This indicates a noemal distribution is not a good fit to the nopulation distribution of cubhead velocities for female golfers. None of the statements are true.
Answers
The statement that characterizes the largest 5% of all concentration values is: "The largest 5% of all concentration values are above 3987 mg/cm³."
According to the given information, the substrate concentration (mg/cm³) of influent to a reactor is normally distributed with a mean (μ) of 30 and a standard deviation (σ) of 0.06. To find the concentration value that corresponds to the largest 5% of all values, we can use the concept of the standard normal distribution.
The 95th percentile of the standard normal distribution is denoted as Φ(z) = 0.95, which corresponds to a z-score of 1.645. By substituting the values into the formula: c = μ + (z)(σ), we can calculate the concentration value for the largest 5%:
c = 30 + (1.645)(0.06) = 30 + 0.0987 = 30.0987 ≈ 3987 mg/cm³.
Therefore, the statement that characterizes the largest 5% of all concentration values correctly indicates that the values are above 3987 mg/cm³.
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complementary strand of DNA?
DNA Strand 1: AATCGGTAC
Answers
Answer:
TTAGCCATG
Explanation:
Deoxyribonucleic acid (DNA) is a double helix molecule made up of two complementary polynucleotide strands oriented antiparallel to each other. Each nucleotide in both DNA strands is composed of a five-carbon sugar (deoxyribose), a phosphate group and a nitrogenous base. In DNA, there are four types of nitrogenous bases: Thymine, Guanine, Adenine and Cytosine (in RNA, Uracil replace Thymine). According to the base-pairing rules, Adenine always pairs with Thymine through two hydrogen bonds, whereas Guanine always pairs with Cytosine through three hydrogen bonds.
Freshwater environments generally have a. A lower variety of species and more fossil preservation than marine environments b. A lower variety of species and less fossil preservation than marine environments c. A greater variety of species and more fossil preservation than marine environments d. A greater variety of species and less fossil preservation than marine environments
Answers
Freshwater environments generally have a Lower variety of species and less fossil preservation than marine environments. The correct option is B
What is Freshwater environments ?In comparison to marine habitats, freshwater areas often contain a smaller variety of species. This is due to the fact that freshwater settings are more remote and have less resources accessible.
Freshwater ecosystems are less likely than marine environments to preserve fossils. This is so because sedimentation and erosion are more likely to occur in freshwater environments. Fossils can become buried by sediment, making them difficult to locate.
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A field that is focused on preventing death, disease, and disability by reducing exposure to adverse conditions and prom es behavioral change is called public policy. O healthy visions. biodiversity implications. environmental health.
Answers
A field that is focused on preventing death, disease, and disability by reducing exposure to adverse conditions and promoting behavioral change is called environmental health.
Environmental health refers to the practice of preventing diseases, injury, and disability by reducing exposure to adverse environmental conditions and promoting behavior change. It is a field that is focused on identifying and assessing environmental factors that can affect human health and taking action to control or eliminate those factors. The field of environmental health deals with a wide range of issues, including air quality, water quality, food safety, hazardous waste management, and the effects of climate change.
It is an interdisciplinary field that brings together experts from many different fields, including public health, environmental science, toxicology, epidemiology, and engineering. Environmental health professionals work to promote healthy environments and prevent illness and disease by developing and implementing policies and programs that reduce exposure to environmental hazards and promote healthy behavior.
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to which end (3' vs 5') of the growing rna strands are new nucleotides added? why must they add to this end?
Answers
DNA is always synthesized in the 5'-to-3' direction, meaning that nucleotides are added only to the 3' end of the growing strand.
Each end of DNA molecule has a number. One end is referred to as 5' (five prime) and the other end is referred to as 3' (three prime). The 5' and 3' designations refer to the number of carbon atom in a deoxyribose sugar molecule to which a phosphate group bonds.On the 5′ carbon of its terminal sugar, the 5′ end has a phosphate group. A DNA strand with the fifth carbon within the sugar ring at its terminus is said to have a five prime end. On the 3′ carbon of its terminal sugar, the 3′ end has a free hydroxyl group.
A nucleotide is one of the structural components, or building blocks, of DNA and RNA. A nucleotide consists of a base (one of four chemicals: adenine, thymine, guanine, and cytosine) plus a molecule of sugar and one of phosphoric acid.
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What is found in the space between the two pleural layers? a. heart b. lung c. pleural fluid d. thoracic wall e. visceral pleura
Answers
The pleural fluid is found between the space between the two pleural layers, option C.
What is the role of pleural fluid?Pleural fluid is a thin layer of liquid that is found between the two pleural layers (the parietal pleura and the visceral pleura) in the pleural cavity of the lung.
This fluid acts as a lubricant and helps to reduce friction between the two pleural layers as they move against each other during breathing. In healthy individuals, the amount of pleural fluid is usually small and does not cause any problems.
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30. How many calories would it take to raise a persons body temperature 3 degrees if their
mass is 79545 grams? (show your work)
Answers
Answer:
2000000 heat calories.
Explanation:
Explanation:
The heat capacity of water is 1 calorie for 1 gram raised 1 degree C
or 4.186 joules of energy for 1 gram raised 1 degree C ( or
K
o
)
l Kg = 1000 grams so
100
K
g
×
1000
g
1
= 100000 grams of water.
It takes 10 000 calories to raise 10 000 grams of water 1 degree
so 20 degrees x 10 000 grams = 2 000 000 calories.
The same type calculations can be done for heat in joules
10, 000 grams x 4.186 joules x 20 degrees. = 8372000 joules.
If red blood cells are placed in a hypertonic solution and you measured the $%$ hematocrit, which of the following would be true?
this solution would yield a lower % hematocrit than a solution under noal conditions
this solution would yield a higher % hematocrit than a solution under noal conditions
this solution would have comparable % hematocrit to an isotonic solution
there would be $0 hematocrit because all the cells lysed
Answers
If red blood cells are placed in a hypertonic solution and you measured the % hematocrit, the following would be true: This solution would yield a higher % hematocrit than a solution under normal conditions.
Hematocrit (HCT) is the percentage of red blood cells in the blood. It is calculated by dividing the volume of packed red blood cells by the total volume of blood (plasma and cells). A typical hematocrit value for healthy individuals is between 40% and 52% for males and 37% and 47% for females. A hypertonic solution is one in which the concentration of solutes outside the cell is greater than the concentration inside the cell.
When red blood cells are placed in a hypertonic solution, water moves out of the cell by osmosis, causing the cells to shrink and become more concentrated. As a result of the red blood cells shrinking in a hypertonic solution, the percentage of red blood cells in the blood increases. As a result, the hematocrit percentage will be higher than in normal conditions.
Therefore, the statement, "This solution would yield a higher % hematocrit than a solution under normal conditions" is correct.
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How are rocks weathered as in this example seen here?
Answers
Answer:
b
Explanation:
Answer:
The correct answer is : Freezing and thawing of water breaks the rocks into pieces.
Explanation:
See picture.
scientists have used the eight levels of classification for more than 200 years when might the system be updated
Answers
Scientists have been using the eight levels of classification, also known as the taxonomic hierarchy, for over 200 years.
This system, developed by Carl Linnaeus, provides a universal method to classify organisms based on shared characteristics. However, advancements in various fields, including molecular biology, genetics, and evolutionary studies, have led to the potential need for updating the system. The current taxonomic hierarchy may be updated when there is a significant accumulation of new data and discoveries that warrant a reevaluation of the classification scheme.
For example, advances in genomics have revealed new insights into the evolutionary relationships between organisms, which could potentially necessitate changes in the classification system to better reflect these relationships. Additionally, as scientists continue to discover new species and learn more about the complexities of the natural world, they may identify shortcomings in the current classification system. This could lead to the development of new approaches or additional levels of classification to better organize and represent the diversity of life on Earth.
In summary, the eight-level taxonomic hierarchy may be updated when there is substantial new information that supports the need for revisions or improvements in the classification of organisms. This might be driven by advancements in fields like molecular biology, genetics, and evolutionary studies, which continue to deepen our understanding of the relationships between living organisms.
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whats your favriot color and animal whats your favriot subjec
boy or girl puppies or dogs dog person or cat person
Answers
I’m a girl and i love both puppies and dogs but I’m way more of a cat person
Based on the parent genotypes and using this Punnett Square, what percentage of offspring can display the recessive trait?
Responses
100%
100%
50%
50%
25%
25%
0% No offspring can display the recessive trait
Answers
Answer:
you need too go ask a tutor about this
Explanation:
Answer:0% No offspring can display the recessive trait
Explanation:
just did the test
Bacteriophages are viruses that attack and destory
Answers
Answer:
Bacteria
Explanation:
They are harmless to humans but murder billions and billions of bacteria everyday! There's also 10^31 bacteriophages on Earth, more than every other organism on Earth, including bacteria, combined so they are pretty abundant killers of bacteria.
Self-contained, living structures that join together to form tissues are called.
Answers
Answer:
Cells
Explanation:
Looking at colony morphology is useful for identifying different bacteria species because of which of the following: A. An individual colony (on a petri dish) represents a single bacterial speciesB. a rapidly growing bacteria speciesC. has multiple types of bacteria that can be separated by streaking a plate with the colony.
Answers
Looking at colony morphology is useful for identifying different bacteria species because of An individual colony (on a petri dish) represents a single bacterial species. The correct option is A.
Colony morphology is the appearance of bacterial colonies when they are grown on a solid medium, such as a petri dish. Each individual colony on the plate represents a single bacterial species because it has grown from a single cell. This is a useful way to identify different bacterial species because each species has its own characteristic colony morphology.
By looking at the size, shape, color, and texture of the colonies, scientists can distinguish between different bacterial species. It is important to note that colony morphology alone is not always enough to accurately identify a bacterial species, and additional tests may be required.
Thus, the correct option is A.
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Answer the following questions based on the article you just read.
Microscope
Name one disadvantage of light microscopes.
Answer:
Light microscopes can only magnify up to 2000 times the original size. It is difficult to enhance the contrast between cells and their surroundings to see cell structure and movement with a light microscope.
Answers
Answer:
Light microscopes can only magnify up to 2000 times the original size. It is difficult to enhance the contrast between cells and their surroundings to see cell structure and movement with a light microscope.
Explanation:
k12
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question 2
Two abiotic resources that affect an ecosystem are:
A. temperature and animals
B. plants and animals
C. water and bacteria
D. soil and water
Answers
Explanation: because i am correct.
1)The ribosome binds to the m RNA and uses tRNAs to translate mRNA into the corresponding amino acid polypeptide sequence.
2)The spliceosome removes introns
3)The primary structure of the polypeptide chain undergoes hierarchical foldings to form the tertiary structure.
4)RNA polymerase binds to the promoter region of a gene and initiates transcription
Answers
The correct sequence of events which take place during gene expression will be 4 > 2 > 3 > 1.
The RNA polymerase will first bind to the promoter region of a given gene and then initiates the process of transcription. After this step, the spliceosome performs the function of removing the introns.
In the next step, hierarchical foldings take place in the primary structure of the the polypeptide chain which results in the formation of the tertiary structure of the polypeptide. The ribosome then basically binds the mRNA and then it uses the tRNAs to be able to translate mRNA into the the amino acid polypeptide sequence that it codes for.
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Which rna is a copy made from a dna strand that can be transported to a ribosome?.
Answers
Answer:
mRNA
Explanation:
also known as messager RNA
made from DNA template
takes it to rRNA
translated by the rRNA
also known as ribosomal RNA
they help translate the codons
make protein when stop codon is sent out
How does llfe depend on the sun
Answers
Answer:
Photosynthesis: Oxygen and Food Another way energy is harvested by the sun is in the form of photosynthesis. This process is done by plants and other autotrophic organisms and is essential for all life on Earth. Photosynthesis involves sunlight being converted into glucose, a by-product of which is oxygen.
Explanation:
question mushrooms and bacteria serve an important role in an ecosystem, that of the decomposer. decomposers break down the organic material of once living organisms, such as carbon and nitrogen. why are decomposers important to the ecosystem?
Answers
Decomposers are essential for maintaining the balance of nutrients in an ecosystem. They break down organic matter, releasing essential nutrients such as carbon and nitrogen back into the soil and water, which can then be used by plants and other organisms. This process of nutrient cycling is essential for maintaining healthy ecosystems and the life cycles of living organisms.
Decomposers are significant to the ecosystem for the reason that they break down organic matter in order to recycle the nutrients back to the earth. The reasons why decomposers are significant to the ecosystem are given below:
Decomposers help in maintaining the nutrient cycle. The decomposers break down the organic matter of dead organisms like fungi, bacteria, insects, earthworms, etc. These dead organisms are important sources of nitrogen, phosphorus, carbon, and other essential nutrients. Decomposers release these nutrients in the soil where they are used by plants to produce food. Decomposers help in cleaning up. The decomposers clean up the environment by removing dead and decaying material. They help to keep the environment clean and healthy. They help to keep the environment free of dead and decaying material.Decomposers prevent the accumulation of waste. Decomposers prevent the accumulation of waste by breaking down the organic matter.Learn more about Decomposers at https://brainly.com/question/380333
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T Tt T Tt Tt Tt In a certain plant, the gene for tall height (T) is dominant over the gene for short height (t). The Punnett square shows the results of a cross between a pure tall plant and a pure short plant. What percentage of the offspring would be tall plants? A. 75% OB. 50% OC. 100% D. 25%
Answers
The percentage of the offspring that would be tall plants is C. 100%.
In this scenario, the tall height (T) is the dominant gene, and the short height (t) is the recessive gene. You mentioned a cross between a pure tall plant (TT) and a pure short plant (tt). The Punnett square for this cross would look like this:
T T
t | Tt | Tt |
t | Tt | Tt |
As you can see, all four possible offspring combinations have the genotype Tt, which means they would all exhibit the dominant trait for tall height. Therefore, 100% of the offspring would be tall plants. The correct answer is C. 100%.
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