turnover of water in temperate lakes during the spring and fall is caused by which of the following? A. warm,less dense water layered at the top B.cold, more dense water layered at the bottom C.a distinct thermocline between less dense warm water and cold, dense water. D. the density of water changes as seasonal temperatures change. E.currents generated by nektonic animals
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The study of biogeography examines how living entities are distributed geographically and how abiotic causes may have an impact on that distribution.
What is Biogeography?Latitude and elevation play a major role in the variation of abiotic elements like temperature and rainfall.
The make-up of plant and animal communities changes as these abiotic elements do. For instance, you would see progressive changes in plant communities if you started your tour in the equator and walked north.
You would observe broad-leaved evergreen trees in tropical wet forests at the start of your journey, which are typical of plant communities found close to the equator. These broad-leaved evergreens would eventually give place to seasonally dry woodlands with scattered trees as you traveled north.
Therefore, The study of biogeography examines how living entities are distributed geographically and how abiotic causes may have an impact on that distribution.
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Related Questions
_____ are the hardest nonbony structures in our body
pls tell tommorow is my exam!!
Answers
Answer:
Tooth enamel is the hardest substance in the body.
This resilient surface is 96 percent mineral, the highest percentage of any tissue in your body – making it durable and damage-resistant.
explain why there is usually more water vapor in expired air then inspired air
Answers
Answer:
The result is that the exhaled air contains less oxygen and more carbon dioxide than the inhaled air. ... In fact, exhaled air is completely saturated with water – it contains the maximum amount of moisture, and is therefore has a relative humidity of 100%. We lose water as we breathe!
As a result of your Zombie Apocalypse, the grass at a local park will no longer be mowed. What type of succession is this (primary or secondary)? Describe the stages of succession that will occur in the next 100 years.
What type of succession is this depicting?
Answers
Secondary succession is the kind of succession that might develop in a neighborhood park after the Zombie Apocalypse if the grass wasn't cut anymore and pioneer species would first colonize the bare soil.
Thus, pioneer species like weeds and grasses would colonize the bare soil and disturbed regions in the initial stage of secondary succession. These species can swiftly adapt to a new habitat since they are frequently resilient and rapidly developing.
In secondary succession, the pioneer species are the early settlers multiply and spread, the soil conditions become more stable and draw in additional species like shrubs and tiny trees. These animals are modifying the environment in a way that makes it possible for bigger and more diversified populations of creatures to live in more complicated settings.
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algae makes energy-rich carbon compounds through photosynthesis.
(T/F)
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The given statement " Algae indeed produce energy-rich carbon compounds through photosynthesis". is True because Photosynthesis is a vital process that occurs in the chloroplasts of algae cells.
During photosynthesis, algae capture light energy using pigments like chlorophyll and convert it into chemical energy. They utilize this energy to break down water molecules, releasing oxygen as a byproduct, and incorporating carbon dioxide from the surrounding environment. Through a series of enzymatic reactions, algae synthesize glucose, a high-energy carbon compound.
Glucose serves as a primary source of energy for algae, enabling them to carry out essential metabolic processes and sustain their growth. Additionally, algae can convert excess glucose into other energy-rich carbon compounds, such as lipids and starches, which serve as energy storage molecules. These compounds can be used during periods of limited sunlight or nutrient availability.
Overall, algae's ability to generate energy-rich carbon compounds through photosynthesis makes them an important component of aquatic ecosystems and potential sources for renewable energy production and biofuel development.
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which structures contain endolymph
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A paleontologist identified two distinct species of mollusks in the fossil record of a region. In the layer below a mass extinction that devastated the region, the paleontologist observed that shells of species A was present in small numbers over a widespread area whereas species B was abundant and found in a few restricted areas. Which of the following predictions about the fossil record in the layer above the mass extinction is the MOST likely to be supported by further excavations?
a. Species A survived because of its widespread range including some areas that were not as affected by mass extinction.
b. Species A survived because the low number of individuals meant that there was less competition for resources.
c. Species B survived because it was the more abundant and more individuals survived.
d. Species B survived because the population was concentrated in a few areas and had a higher chance of survival.
Answers
Answer:
a. Species A survived because of its widespread range including some areas that were not as affected by mass extinction.
Explanation:
The species distribution might confer extinction resistance during massive extinction events. One of the most important reasons for a species -or any other taxonomic group- to survive massive extinction is its wide distribution area.
The broad geographical range of a group -as Species A in the example- enhances the survival chances during mass extinctions. When the event occurs, it severely affects most individuals of a certain area. If the species is restricted to that area, then the species will probably disappear, no matter the number of individuals living there.
But if the species is widely distributed, there are more survival chances. The extinction event will only affect a few regions, but not all of them, meaning that some of the individuals of the species will be able to survive.
Probably as only a few individuals of species A got to survive, they must have suffered the effects of genetic drift after the disaster, causing a reduction in genetic variability.
Argument: Do you believe it's ethical (right) or unethical(wrong) to artificially select traits in plants and/or animals? Explain and Provide evidence to support your opinion.
Answers
Answer:
Artificial selection, also known as selective breeding, is the process of intentionally selecting and breeding individuals with desirable traits to produce offspring with those same traits. While this technique has been used for thousands of years to improve crops and livestock, the advent of genetic engineering has raised new ethical questions about the practice.
I believe that it is unethical to artificially select traits in plants and animals because it violates the intrinsic value of living beings and poses significant risks to both the environment and human health.
Firstly, artificially selecting traits in plants and animals treats them as mere commodities to be manipulated for human benefit. This reduces them to objects rather than recognizing their inherent value as living beings with their own rights and needs. It is morally wrong to use other living beings as means to an end without considering their welfare and well-being.
Moreover, the process of selective breeding and genetic engineering can cause harm to the environment and other species. For example, genetically modified crops can crossbreed with wild plants, leading to the spread of modified genes and unintended ecological consequences. In addition, the release of genetically modified organisms into the environment can pose risks to the genetic diversity and stability of ecosystems.
There are also potential risks to human health associated with genetic engineering. For example, genetically modified crops can produce new allergens or toxins that may pose health risks to consumers. Furthermore, the long-term effects of genetic modification on human health are not well understood, and it is possible that unforeseen consequences may arise over time.
In conclusion, the use of artificial selection to manipulate the genetic makeup of plants and animals is unethical because it violates the intrinsic value of living beings, poses significant risks to the environment, and may cause harm to human health. We must prioritize the welfare and well-being of all living beings and approach the use of technology with caution and consideration of the potential consequences.
Explanation:
The Central Dogma states that cellular information is transmitted from _____ to mRNA to proteins.
a. base pair
b. DNA
c. amino acids
d. nucleotides
Answers
Answer:
B. DNA
DNA → RNA → protein.
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 factory dumps toxic waste in the forest. If the waste enters level C, but goes no further, it will:
Answers
A factory dumps toxic waste in the forest. If the waste enters level C, but goes no further, it may affect humans, animals, and plants whether it winds up in the ground, waterways, or even the air.
What is c-waste?The average concentration of Class C garbage is 7.00 curies/cubic foot. This waste is polluted with certain long-lived nucleotide and includes more short-lived radionuclides than both Class A and Class B nuclear waste.
C&D garbage is created during the construction, remodeling, repair, and destruction of residences, big building structures, highways, bridges, piers, and dams.
The potentially harmful output of a variety of operations, including manufacturing, farming, water treatment systems, construction, automobile garages, labs, hospitals, and other businesses, is hazardous or toxic waste. The waste might be solid, liquid, or sludge and could include pathogens, radiation, heavy metals, chemicals, and more. Even in the home, hazardous waste is generated by objects such as batteries, discarded computer equipment, and residual paints or pesticides.
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3. How is Acetyl-CoA prsluced during the acrobic oxidation of carbohydrates, and what happens to it? How is it produced during the aerobic oxidation of titty acids, and what happens to it
Answers
During the aerobic oxidation of carbohydrates, acetyl-CoA is produced through a series of metabolic reactions known as glycolysis and the citric acid cycle. During the aerobic oxidation of fatty acids, acetyl-CoA is produced through a process called beta-oxidation.
Pyruvate then enters the mitochondria, where it undergoes further processing to produce acetyl-CoA. This conversion occurs through a process called pyruvate decarboxylation, where pyruvate loses a carbon dioxide molecule and combines with coenzyme A (CoA) to form acetyl-CoA. Acetyl-CoA is a key molecule in energy metabolism and serves as a precursor for the citric acid cycle.
During the aerobic oxidation of fatty acids, acetyl-CoA is produced through a process called beta-oxidation. Fatty acids are broken down into two-carbon units, which then combine with CoA to form acetyl-CoA. This process occurs in the mitochondria, where fatty acids are sequentially cleaved into acetyl-CoA molecules. The acetyl-CoA molecules can enter the citric acid cycle to generate energy through oxidative phosphorylation.
Once acetyl-CoA is produced, it enters the citric acid cycle, also known as the Krebs cycle or TCA cycle. In this cycle, acetyl-CoA undergoes a series of enzymatic reactions, resulting in the production of ATP, NADH, and FADH2. These energy-rich molecules are then utilized in the electron transport chain to generate ATP through oxidative phosphorylation.
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Is there DNA in oreos?
Answers
Answer:yes
Explanation:
Researchers grew seedlings of corn, Zea mays, in loose and compact sand. The researchers measured the amount of time required for the cells in the growing root tips of the seedlings to double in number. The mean cell doubling times for the two groups of seedlings are shown in Figure 1.
Figure 1. Mean cell doubling times for the growing root tips of Zea mays seedlings planted in loose or compact sand
Based on the sample means, which of the following conclusions about the cells in the growing root tips of Zea mays seedlings is best supported by the results of the experiment?
answer choices
The cells of the root tips grow to larger sizes when the seedlings are planted in compact sand than when the seedlings are planted in loose sand.
The average rate of mitotic cell division is greater for the root tips growing in loose sand than for the root tips growing in compact sand.
The average cell cycle time is greater for the root tips growing in compact sand than for the root tips growing in loose sand.
More cells are produced per unit of time in the root tips growing in compact sand than in the root tips growing in loose sand.
Answers
The conclusion that supports the result of the experiment is; More cells are produced per unit of time in the root tips growing in compact sand than in the root tips growing in loose sand, last option.
What does "mean cell doubling time" mean?Mean cell doubling time for a Zea mays is the amount of time it takes cells from the growing root tips of the seedling to increase by double.
According to the graph, the mean doubling time of the seedlings' root tips used in the compact sand is lower than that used in the loose sand. This decrease means that there is an increased rate of mitosis for cells in the compact sand.
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45. Sumati has injured her ankle while playing tennis. Which of the following steps should be
included in the first aid administered to Sumati?
1. Elevate the injured leg
2. Apply ice to the injured area
3. Apply direct pressure to the site of the injury
A) 1 only B) 2 only C) 1&2 only D) 1,2&3
HELP MEH
Answers
Sumati has an ankle injury. The steps to be included in the first aid administered to Sumati include applying ice to the injured area, apply direct pressure to the site of the injury, and elevate the injured leg. Thus, the correct option is D.
What are ankle injuries?An ankle sprain is when the ligaments of the leg that support the ankle get overly stretched or torn out. Ankle injuries can happen when a person step in a hole, twist their ankle while walking or running, or put the weight down on their foot awkwardly.
The steps to be taken for the first aid administration of a person who is having an ankle injury include rest the injured limb, ice the area, compress the area with an elastic wrap or bandage and application of pressure, elevate the injured limb above the heart whenever possible to help prevent or limit swelling in the ankle.
Therefore, the correct option is D.
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Which country might
have an age-structure
pyramid (showing
declining growth) that
looks similar to the
one shown?
Answers
The correct option A. Italy, may have a pyramidal age model similar to that depicted in the figure (with diminishing growth).
Explain the term age-structure pyramid?Population pyramid: a visual representation of a population's age and sex distribution.
The final shape of such a population pyramid is determined by the age and sex composition of the population; as a result, the representation may resemble a pyramid, be columnar, or have an erratic profile.Additional aspects of a population, including marital status, ethnicity, or geography, can be represented by the population pyramid. In this instance, more categories are represented by further subdividing the bars for each age-sex group.A broad-based pyramid shows that younger age groups make up a disproportionately big fraction of the population.Whereas one with a narrow or pointed top shows that older age groups make up a disproportionately small portion of the population.Thus, Italy, may have a pyramidal age model similar to that depicted in the figure (with diminishing growth).
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anyone know of any free anatomy classes i can take or free onlive live classes for all categories
Answers
Answer:
Answer below
Explanation:
Many states offer free virtual programs that allow you to co-enroll and access advanced courses for free. Check with your local virtual programs to see which ones you can qualify for.
If you are unable to attend virtual programs, then you can likely find a online service (it will not be live most the time) that can teach you. Channels like CrashCourse are good, but I believe Khan Academy also provides videos, articles, and practice tests on anatomy.
I hope this helps, anatomy and physiology is a very useful and interesting course to take. Good on you for having the initiative =)
Why do we use microorganisms to produce enzymes more than plants and animals?
Answers
Answer:
Microbial enzymes are the preferred source to plants or animals due to several advantages such as easy, cost-effective and consistent production. The present review discusses the recent advancement in enzyme technology for food industries.
I attached a picture please help. All I need is #3. :)
Answers
what is the relationship between kinetic energy and energy transfer?
Answers
Answer:
Kinetic energy is a form of energy that an object or a particle has by reason of its motion. If work, which transfers energy, is done on an object by applying a net force, the object speeds up and thereby gains kinetic energy.
Explanation:
Use your understanding of natural selection to explain how the mutations that occurred on Mc1r lead to the evolution of the rock pocket mouse?
Answers
Explanation:
The evolution of the rock pocket mouse is a great example of how natural selection can lead to the adaptation of a species to its environment. The mutations that occurred on the Mc1r gene allowed some individuals of the population to have a different fur coloration than the rest of the population. This new fur coloration provided a selective advantage to the mice living in the darker volcanic rock environment.
The darker fur of the rock pocket mouse provided camouflage against predators, allowing them to blend in with the dark rocks and avoid being seen. This made them less likely to be preyed upon by predators such as owls and snakes, which hunt by sight. As a result, the mice with the darker fur were more likely to survive and pass on their genes to the next generation.
Over time, as the population of the rock pocket mouse continued to be exposed to predation, the proportion of individuals with the darker fur coloration increased. This is because the individuals with the darker fur coloration were more likely to survive and reproduce, passing on their advantageous traits to their offspring. Eventually, the population became dominated by individuals with the darker fur coloration, and the rock pocket mouse became a distinct species.
This process, in which mutations that provide a selective advantage become more common in a population over time, is known as natural selection. In the case of the rock pocket mouse, the mutations that occurred on the Mc1r gene allowed the mice to adapt to their environment and avoid predation, ultimately leading to the evolution of a new species.
which choice describes the flow of energy in a food chain?
a. grass - rabbit - wolf - sun
b. wolf - sun- grass- rabbit
c. sun- grass-rabbit-wolf
d. rabbit - wolf -sun - grass
Answers
Answer:
C.
Explanation:
c. sun- grass-rabbit-wolf
Answer:
C
Explanation:
sun- grass-rabbit-wolf
Sun makes grass grow, rabbits eat grass, and finally wolves eat rabbits.
Describe how the intermolecular forces involved with RNA solubility are different from proteins and lipids (
Answers
Answer:
Due to strong forces between solutes and solvent, solubility increases.
Explanation:
Due to intermolecular forces, RNA solubility is higher than the solubility of proteins and lipids because intermolecular forces enables RNA soluble in water due to its polar nature while on the other hand, proteins and lipids are not very soluble in water due to their non-polar nature. If the intermolecular forces are stronger between solute and solvent molecule, the greater the solubility of the solute in the solvent and vice versa.
cell labeling animal cell
Answers
A bald man marries someone who is not bald but whose father was bald. What is the % chance of a child who will eventually be bald?
1/4 chance of a girl and
2/4 chance of boy with baldness all will be bald
1/4 chance of a girl and 1/4 chance of a boy of all the children
2/4 girls bald and 2/4 boys bald
Answers
Answer:
The girl.
Explanation:
Someone pls help with my geology question on my page
Answers
explanation:
Answer:
I gave you the answer in the most recent question.
Question 1 A heterozygous yellow-seeded plant is crossed with a homozygous yellow seeded plant. i. ii. Question 2 Complete the punnet square and write the genotypic and phenotypic ration for the possible offsprings. (3 marks) Genotypic ration Phenotypic ration What is the probability of having a pure breeding green seeded offsprings (2 marks) What is the probability of having a yellow-seeded plant in F2 generation, when a true breeder from F1 is crossed with a non-true breeding yellow seeded plant? (2 marks)
Answers
Answer:
Explanation:
To solve this problem, let's represent the heterozygous yellow-seeded plant as "Yy" and the homozygous yellow-seeded plant as "YY."
i. When crossing a heterozygous yellow-seeded plant (Yy) with a homozygous yellow-seeded plant (YY), we can set up a Punnett square to determine the possible offspring genotypes:
Y Y
y Yy Yy
y YY YY
ii. The genotypic ratio is 2:2 or 1:1 for the possible offspring genotypes: Yy and YY.
The phenotypic ratio is also 2:2 or 1:1 for the possible offspring phenotypes: yellow-seeded (YY and Yy).
Question 2:
To determine the probability of specific outcomes, we need additional information about the parental genotypes and their inheritance patterns. Please provide the genotypes of the true breeder from F1 and the non-true breeding yellow-seeded plant for a more accurate calculation.
A praying mantis is an insect that feeds off small insects and therefore it is a predator or prey
Answers
Answer:
Predator
Explanation:
Since a Praying Mantis is an animal that naturally preys on others, it would be considered a Predator
Listed in the Item Bank are key terms and expressions, each of which is associated with one of the columns. Some terms may display additional information when you click on them. Drag and drop each item into the correct column. Order does not matter.
Answers
A ray of light reverses direction upon reflection. Refraction happens where two mediums with differing characteristics meet. Diffraction has to do with how waves spread out.
What is display ray?A ray of light changes direction when it reflects. Mirror reflection is a common phenomenon. Microscopes operate on the idea of light reflection.
A wave extending out as it leaves an aperture is referred to as diffraction. A boisterous teacher can be heard even with the door barely cracked thanks to diffraction. The diffraction principle underlies how X-rays work.
Refraction is the shift in a wave's direction when it travels between two separate media with distinct properties. The reason straw appears broken in water is due of refraction. Snell's law states that the angle of incidence and the angle of refraction are equal.
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Determine the DNA template from the mRNA sequence, 5'- UAAGUACCG-3'
Answers
Answer:
3' - ATTCATGGC -5'
Explanation:
Those are the complementary amino acids.
you are a bio-researcher on the planet tawniwani, and you have been given the task of identifying and classifying the native fauna. use this dichotomous key to identify tawniwanian creature c.
Answers
A Roundus tricurlus is individual C. The key offers a quick and simple method of identification by outlining several physical or behavioural characteristics and guiding you to the appropriate taxonomic categorization.
Each feature will always have two alternatives (a and b, or 1 and 2), and you must select one of them based on the traits of your organism. Once you select the choice that best fits your organism, the key will take you to the next description, where you must select another alternative. Until you reach the name of your organism, you will keep doing this. Only particular characteristics that help distinguish are described in the key.
For instance, we need to know the name of individual C in the example that was provided. So, it is a Roundus tricurlus, individual C.
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