Answer:evolution
Explanation:Evolution describes changes in inherited traits of populations through successive generations. To fully understand the science of ecology, one must first be able to grasp evolutionary concepts.
Mechanical weathering is commonly the result of all of the following except _____.
wind
plant disturbances
gravity
humans
ice
animal disturbances
running water
chemical reactions
Answer:
The diagram represents the process of enlarging a rectangle using a scale factor of 3. The width of the original rectangle must be:
9 in.
11 in.
12 in.
17 in.
Explanation:
Digestion begins when
o the esophagus passes food to the stomach
o food enters the small intestine
O water is absorbed in the large intestine
O amylase breaks down starch
Answer:
Hi there!
Your answer is:
A. the esophagus passes food to the stomach
Explanation:
The the digestive process isn't fully about the action of digestion! The digestive process begins in your mouth, where salivary glands moisten the food to allow easier transport down the esophagus
I hope this makes sense!
Why would satellite imagery be more useful than a map in some instances?
Answer:
topography
Explanation:
Answer:
A.
Explanation:
took test
(a)
2.
The diagrams below show the patterns produced on an oscilloscope by three
different sound waves.
M
А
B
с
(0)
Which two waves have the same loudness?
Write the letters.
and
In the diagram attached, the option that shows the two waves have the same loudness is option A and C.
What is the statement about?Note that in the diagram The letters may be in either order and both the letter and the correct explanation are need for the marking of the their amplitudes as they are the same.
Therefore, In the diagram attached, the option that shows the two waves have the same loudness is option A and C.
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Forest thinning is done in a conservation area to provide open habitat for a particular plant species. The timber is sold to the highest bidder. What type of ecological service would this action be?
The act of carrying out forest thinning is a type of ecological action called habitat service.
What Forest thinning?The term forest thinning has to do with an incomplete removal of trees from a forest ecosystem. The removal may or may not be for the purpose of selling it.
It cold also be done for the purpose of reducing competition in the habitat. This practice is known as habitat service.
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why are cell walls so important for plant cells
A. they prevent the cell from bursting
B. they control the cells activities
C. they provide water to the cells
Answer:
Cell wall prevents the cell from bursting.
Which of the following best identifies where the energy stored in a nut originally came from? ATP stored during photosynthesis, glucose from cellular respiration, sunlight during photosynthesis? During what process was this energy stored in the nut? Cellular respiration, anabolism, photosynthesis?
The energy stored in the nut originally came from photosynthesis which involves use of sunlight energy, water and CO2 to form simple sugars
What is Photosynthesis ?Plants use sunlight, water, and carbon dioxide to produce oxygen and sugar-based energy through a process known as photosynthesis.
Photosynthesis is a major component of life on Earth. Plants, algae, and some bacteria carry out the process by utilising sunlight to create oxygen (O2) and chemical energy that is stored in glucose (a sugar).We know that the energy source used to create the nut originally came from photosynthesis because the nut is made from a plant. Oxygen gas and glucose sugar are produced during photosynthesis using sunlight, carbon dioxide, and water.Learn more about Photosynthesis here:
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How is this circular motion archived
Answer:
c
Explanation:
Meiosis and mitosis differences and similarities
Answer:
A. Similarities between mitosis and meiosis include:
both are processes of cell division or the creation of daughter cells from a parent cell
both go through the phases: prophase, metaphase, anaphase, and telophase and cytokinesis
both use most of the same machinery of cell division including centrosomes, spindle fibers, etc.
B. Differences between mitosis and meiosis include:
Meiosis is used in sexual reproduction to make four haploid (n) daughter cells from one parent cell.
Mitosis is used for growth, replacing old cells, and asexual reproduction. One parent cell makes more
Meiosis happens in two stages, or two rounds of division, known as meiosis I and meiosis II. Mitosis only involves one round of division, or division of the cytoplasm.
During meiosis, crossing over occurs, which increases the genetic variation of gametes. This does not happen in mitosis.
What is TRUE of malnourishment?
Malnourishment is only a problem of food quantity.
It only happens when a person doesn't get enough calories.
It can occur when people get enough calories, but not enough of one or more key nutrients.
People who get too many calories cannot be malnourished.
heather innocently misrepresented the status of a puppy as being full blooded pomeranian when it was a mixed breed. brad had contracted to g
Option A is the correct one, The remedies available to Brad in this situation mixed breed would depend on the jurisdiction and laws of the country or state where the pomeranian transaction took place.
However, in general, a contract for the sale of goods can be rescinded if there was a material misrepresentation mixed breed or fraud involved in the making of the contract. If Brad can prove pomeranian that Heather's misrepresentation was intentional or reckless, he may be able to recover damages for any losses he suffered as a result of the breach of contract. depending on the specific facts and circumstances of the case and the laws of the jurisdiction. It's important to mixed breed note that pomeranian in any legal dispute, both parties have the right to present their side of the story, and the outcome will depend pomeranian on the specific facts and circumstances mixed breed of the case, as well as the applicable law. Legal action should always be a last resort, and it's recommended to seek advice from a qualified attorney to determine the best course of action.
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The complete Question is:
Heather innocently misrepresented the status of a puppy as being a full-blooded Pomeranian when actually it was a mixed breed. Brad had contracted to purchase the dog, but the problem was discovered prior to his paying for the dog and picking it up. Nevertheless, Brad was very angry and felt that Heather should have been more careful. He said that he planned to rescind the contract and also sue her for damages to punish her and deter others from behaving similarly. Which of the following is true regarding the remedies available to Brad?
A) Brad can rescind the contract and sue Heather for damages.
B) Brad can only sue Heather for damages.
C) Brad can only rescind the contract and cannot sue for damages.
D) Brad has no remedies available to him.
Pollution is matter or energy
Answer:
matter
Explanation:
Over time, what will to happen to the populations of light and dark moths on light trees?
Answer:
Explanation:white moths will be spotted easier and killed and the population would drop while the dark moths population will rise
The population of white moths at the light tress will increase over time with the process of natural selection.
The trees are a light color population. Dark moths are unable to camouflage with the tress, while white moths camouflage with the trees.
What happens to white moths?The white and black moths at the tree are an example of a tree ecosystem. The moths are the target for the predators.
The process of natural selection is the evolutionary process with the survival of the fittest. The species that are able to survive in the inappropriate conditions are able to evolve.
In the tree ecosystem, the white moths are camouflaged with the trees. They will not be an easy target for predators. They will survive with the theory of natural selection.
The black moths are not camouflaged with the tree ecosystem. They are easily identified by the predators and are killed.
Thus, white moths are the fittest and with natural selection, they evolve.
Therefore, the population of white moths at the light tress will increase with natural selection.
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describe any general differences you can see between the seedling that were planted at different depths
Answer:
differences
Explanation:
depending on the depth seedlings may take longer time to grow if it is at lower depths and vice versa
If another predator that preyed on snakes was introduced into the ecosystem, the hawk population would most likely
what is the main function of decomposers in a food web?
materials move down a concentration radeient
the methods cells use to materials with out expanding energy
Materials move down a concentration gradient is called a concentration gradient and the methods cells use to materials with out expanding energy is called Passive transport.
How can you move substances down the concentration gradient without using energy?Passive transport tells more about the shifting of substances down a concentration gradient and does not need any issue of energy consumption.
A concentration gradient is simply a stretch of space across which a substance's concentration alters. Substances will naturally travel down concentration gradients, from a higher concentration point to a place or area that is known to be lower concentration area.
Therefore, substance diffuses over a membrane through passive transport as it diffuses along its concentration gradient without requiring any energy from the cell.
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See full question below
materials move down a concentration gradient and the methods cells use to materials with out expanding energy is known as what?
In the table above, what factors might be contributing to lower wild dog population in Pilanesburg NP?a) Area, prey biomass, average rainfallb) Prey biomass, Prey density/km2c) Average rainfall, area, estimated growth rate, prey density/km2d) Name of the region, area required
If we compare the prey data for each region, we can see total prey biomass is fairly similar; but the growth rate is slightly lower, while the density is far lower in Pilanesburg, which seems to be the main reason why the population of wild dogs there is so low, and also why more area is needed.
This means that prey biomass and density are the main factors that limit the wild dog population in Pilanesburg (B).
What are the energy producing organelles and under what conditions do they produce energy
Answer: mitochondria are the site of aerobic respiration, for which of course, they require oxygen.
Explanation: mitochondria are the site of aerobic respiration and energy production for which they require a supply of oxygen
The energy-producing organelle is the mitochondria, and the mitochondria make the energy in the aerobic cellular respiration where the cell uses oxygen and makes the energy that is the ATP.
What is the function of the mitochondria?The mitochondria are cellular organelles in which energy is produced, which happens when the cell gets enough oxygen and the glucose is broken down completely to form ATP. The ATP is formed due to the proper oxygenation of the glucose, and the proton gradient is formed. The proton gradient gives the energy to the cell for energy production, and the energy is used by the cell for the overall body metabolism and growth.
Hence, the energy-producing organelle is the mitochondria, and the mitochondria makes the energy in the aerobic cellular respiration where the cell uses oxygen and makes the energy that is the ATP.
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You are testing for nitrate reduction. The first test, which involves adding Trommsdorff reagent and dilute H2SO4, produces a blue color. Is the test positive or negative for nitrate reduction?
a. positive
b. negative
Answer:
The correct answer is - option a. positive.
Explanation:
Nittarte reduction is the test for the determinantion of the production of nitrate reductase enzyme through various test. One of the test is trommsdroff test.
This test involves trommsdroff reagent and dilute sulfuric acid that produce blue color if the reduction occurs and reductase present. This color is formed due to the conversion of ammonia to nitrate.
The correct answer is - option a. positive.
Identify the cellular structures and it’s functions
The cellular structures include cell nucleus, nuclear pores, genetic material (DNA), cytoplasm, nuclear lamina, cell membrane, mitochondria, cytoskeleton and lysosome. It is an animal cell.
Cellular structures and organellesThe cellular structures observed in the Figure include cell nucleus (A), nuclear pores (B), genetic material (C), cytoplasm (D), nuclear lamina (E), cell membrane (F), mitochondria (G), cytoskeleton (E) and lysosome (F).
The cell nucleus is an organelle that contains the genetic material (DNA) in eukaryotic cells.
The nuclear pores are little pores in the nuclear membrane that allow the passage of small molecules (e.g., RNAs, transcription factors) by simple diffusion.
The genetic material (DNA) contains the instruction to synthesize all cellular components.
The cytoplasm is an aqueous solution inside the cell, which is mainly composed of dissolved proteins and salts.
The nuclear lamina is a rigid structure located inside the cell nucleus which serves to provide structural support to this organelle.
The cell membrane is a semipermeable lipid bilayer that allows the passage of certain substances in and out of the cell.
The mitochondria are the energetic factories of eukaryotic cells, which act to generate ATP by a process called cellular respiration.
The cytoskeleton is an interconnected network of protein filaments that provides structural support to the cell.
The lysosome is an organelle inside animal cells that contains hydrolytic enzymes used to degrade different substances.
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What is it called when pairs of homologous chromosomes fail to SEPARATE normally
during MEIOSIS.
Answer: Nondisjunction occurs when homologous chromosomes or sister chromatids fail to separate during meiosis, resulting in an abnormal chromosome number. Nondisjunction may occur during meiosis I or meiosis II.
Explanation:
2 cells will have the normal haploid number of chromosomes. Additionally, one cell will have an extra chromosome and one will be missing a chromosome
In the 19th century, what was known about atoms?
A) The half-life of all atoms
B) The number of atoms that exist in the world is increasing
C) The atom determines the chemical property of an element
D) The exact structure of all atoms
Answer:
C. The atom determines the chemical property of an element.
Explanation:
hope this helps!
The atom determines the chemical property of an element. Therefore, option (C) is correct.
In the 19th century, it was understood that atoms determined the chemical properties of elements. Various investigations and theories proposed by scientists such as John Dalton, Dmitri Mendeleev, and J.J. Thomson led to the development of this understanding.
They observed that various elements exhibited distinct chemical behaviours and properties, which they attributed to the atoms' distinct structure and composition. This knowledge contributed to the development of atomic theory in the nineteenth century by laying the groundwork for the periodic table.
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Answer:
Thats cool, did you make yourself?
Explanation:
14. What takes place in ribosomes?
Answer:
Ribosomes are the sites in a cell in which protein synthesis takes place. ... Within the ribosome, the rrna molecules direct the catalytic steps of protein synthesis the stitching together of amino acids to make a protein molecule. In fact, rrna is sometimes called a ribozyme or catalytic RNA to reflect this function.
Explanation:
Michaela just found out recently that she is allergic to the vaccine toxin in honey bee strings. When she stepped on a bee at the swimming pool,she felt sick to her stomach,dizzy,and had trouble breathing. Fortunately, a paramedic gave her an injection that stopped the reaction. Michaela wants to avoid honeybees. Which other stinging insects are most likely to have a similar toxin
Answer: Some other insects that sting and could possibly carry those same toxins are Wasps, Vespids, Bees(not honeybees), Hornets, Bald-faced Hornets, Ants, Pterygota, European Hornet, Bumblebees.
Explanation:
My Entomology Class we just went over this last week.
DNA regions that are transcriptionally silenced by hypercondensation have often undergone a modification of their _______ residues termed _______.
a. hyperoxidation.
b. methylation.
c. dephosphorylation.
d. phosphorylation.
e. integration.
Answer:
b. methylation.
Explanation:
Science can be defined as a branch of intellectual and practical study which systematically observe a body of fact in relation to the structure and behavior of non-living and living organisms (animals, plants and humans) in the natural world through experiments.
Genome editing can be defined as a high-tech process which avail scientists the opportunity or ability to remove (delete), replace and insert Deoxyribonucleic Acid (DNA) sequence in a living organism such as bacterias, animals, plants etc in order to correct a genetic disorder and to improve on their physical and chemical conditions.
Transcription can be defined as a process which typically involves re-writing the informations contained within a Deoxyribonucleic Acid (DNA) into a Ribonucleic Acid (RNA) by enzyme RNA polymerase.
Hence, DNA regions that are transcriptionally silenced by hypercondensation have often undergone a modification of their cytosine residues termed methylation.
For example, CpG island methylation transcriptionally silences about 650 to 800 genes in patients suffering from colorectal cancer.
The study of cells is cell biology.
The correct answer is B.
Science can be defined as a branch of intellectual and practical study which systematically observes a body of fact in relation to the structure and behavior of non-living and living organisms (animals, plants, and humans) in the natural world through experiments.
Genome editing can be defined as a high-tech process that avail scientists the opportunity or ability to remove (delete), replace, and insert Deoxyribonucleic Acid (DNA) sequence in a living organism such as bacterias, animals, plants, etc in order to correct a genetic disorder and to improve on their physical and chemical conditions. Transcription can be defined as a process that typically involves re-writing the information contained within a Deoxyribonucleic Acid (DNA) into a Ribonucleic Acid (RNA) by enzyme RNA polymerase. Hence,
DNA regions that are transcriptionally silenced by hyper condensation have often undergone a modification of their cytosine residues termed methylation.
For example, CpG island methylation transcriptionally silences about 650 to 800 genes in patients suffering from colorectal cancer.Hence, the correct answer is B that is methylation.
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How much energy is lost as heat every time you eat a meal?
Answer: 90% energy is your answer
Answer:
90% of engry
Explanation:
List and explain the function of hormones released by the hypothalamus
Many physiological processes in the body are controlled by the hypothalamus, a part of the brain. The production and release of hormones is one of its primary roles.
Which hormones does the hypothalamus produce?The hormones that are produced in the hypothalamus include corticotrophin-releasing hormone, dopamine, growth hormone-releasing hormone, somatostatin, gonadotrophin-releasing hormone, and thyrotrophin-releasing hormone. Lactation and uterine contraction during childbirth are oxytocin's two primary physiological effects.
What hormones does the hypothalamus produce?The hypothalamus secretes two different types of hormones: releasing hormones and inhibitory hormones. Gonadotrophin-releasing hormone, thyrotrophin-releasing hormone, somatotropin-releasing hormone, and adrenocorticotrophin-releasing hormone are a few examples of releasing hormones.
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Using the following data, calculate the
population growth rate for Zambia:
CBR= 2.9%, Immigration = 1%,
CDR = 2.1%, Emigration = 1%
(Portions of the numeric data are factual.)
HINT: (CBR + Immigration) - (CDR + Emigration) = Population Growth Rate
A. 82%
C. -0.00802%
B. 0.8%
D. 8.025%
Population growth rate for Zambia is 0.8 % when CBR= 2.9%, Immigration = 1%,CDR = 2.1%, Emigration = 1% are as given above.
What is CBR?The crude birth rate is the number of live births per 1,000 of the population at the midyear census. long explanation The crude birth rate is the number of live births per 1,000 of the expected population at the midyear mark.
Given data;
CBR= 2.9%, Immigration = 1%,
CDR = 2.1%, Emigration = 1%
Now to find the Population Growth Rate use the given formula;
(CBR + Immigration) - (CDR + Emigration) = Population Growth Rate
Population Growth Rate= (CBR + Immigration) - (CDR + Emigration)
the current population of Zambia =18.92 million
now
CBR= 2.9% of 18.92 million=548680
CDR = 2.1% of 18.92 million=397320
Immigration = 1% of 18.92 million=189200
Emigration = 1% of 18.92 million=189200
now putting the values on eq.
Population Growth Rate= (CBR + Immigration) - (CDR + Emigration)
Population Growth Rate= (548680 +189200)-(397320 + 189200 )
Population Growth Rate=151360 *100/18.92 million
Population Growth Rate=0.8%
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