Answer:
Many cells are specialised. They have structures that are adapted for their function. For example, muscle cells bring parts of the body closer together. They contain protein fibres that can contract when energy is available, making the cells shorter.
what hereditary factors affect ones growths
What is meant by "nutrient limitation
Answer:
meaningful additions of an essential element
Explanation:
Nutrient limitation occurs when meaningful additions of an essential element in additions of an essential element in biologically available forms cause an increase in the rate of a biological process (such as primary productivity) and/or in the size of an important ecosystem compartment (such as bi ) biomass).
Manipulate the settings to model the scenario. Observe what happens to the
observations in the Lab Guide,
About laboratory work
Stream Slope
Gentle
Amount of Rainfall
None
Surrounding Terrain
Plain
Mountains
Check
Pause
5 of 10
Answer:
subject?
Explanation:
Describe how heat will flow
between Part A and Part B
when the tap is opened. Draw
an arrow to illustrate the
direction of heat flow.
Answer:
Explanation:
When you bring two objects of different temperature together, energy will always be transferred from the hotter to the cooler object. The objects will exchange thermal energy, until thermal equilibrium is reached, i.e. until their temperatures are equal. We say that heat flows from the hotter to the cooler object.
4. Start over and run the simulation for 5 generations with NO wolves, THEN add wolves.
Explain what happens.
Answer:
Adding the wolves would likely decrease the population of prey in the simulation.
Explanation:
Which of the following describes a portion of the water cycle that is not driven by
gravity? O
(1 Point)
B) Precipitation of water that has condensed from clouds
D)Water seeping into the ground to enter an aquifer
C)Water flowing in a river toward the ocean
A) Evaporation of water from the ocean to form clouds
The correct answer is A. Evaporation of ocean water to form clouds.
Explanation
The water cycle is a series of physical-chemical phenomena in which water goes through three states (liquid, solid and gaseous). In this process, the water in a liquid state is evaporated becoming in a gaseous state, and rising towards the sky (against the force of gravity) forming clouds. Once in the clouds, the water condenses, going from a gaseous to a liquid state. After this process, the water precipitates by the action of gravity towards the earth where a process such as the filtration of water in the soil occurs, forming aquifers, the accumulation of water in the rivers that flow into the sea, the freezing of water on the snowy peaks of the mountains, among others. According to the previous explanation, the correct answer is A. Evaporation of ocean water to form clouds.
which of the following proyocarotic cell?
a.bacteria b.fungus c.alge d.virus
Answer:
A. Bacteria
Explanation:
I feel like that's meant to say prokaryotic cell and bacteria are prokaryotic cells
Because of global climate change, arctic landscapes and ecosystems are changing rapidly and perceptibly, as the residents of Newtok, Alaska, can attest. With the land upon which they have built their homes slowly melting and sinking, they have appealed to the state and federal governments for assistance in helping them cover the costs of moving their town to a different location. Ironically,
A) the land upon which the Alaskan state government buildings are located is also melting.
B) the residents of Newtok have discovered oil on their land, making their appeal for funds less convincing.
C) a senator from Alaska has a vacation home in Newtok, Alaska, and so is personally committed to the predicament of the town.
D) decades ago, the U.S. government mandated that they and other Alaskan natives abandon a nomadic life based on hunting and fishing for sedentism.
E) the economic activity of the town of Newtok is extremely polluting and thus a big contributor to the environmental changes that have turned its residents into the first climate change refugees in the United States.
Answer:
The correct answer is D)
Decades ago, the U.S. government mandated that they and other Alaskan natives abandon a nomadic life based on hunting and fishing for sedentism.
Explanation:
Sedentism is simply the practice of settling in one geographical location for a long time.
Many governments encourage this to ensure that agricultural systems become developed and more sustainable as was the case in Alaska.
Other governments in some part of the world are also in support albeit for a different reason such as security of lives and property.
Cheers
what are the 5 main important functions of soil
Answer:
Six key soil functions are: Soil acts as an anchor for plant roots. It provides a hospitable place for a plant to live in while storing and supplying nutrients to plants. Soil also functions by maintaining the quantity and quality of air by allowing CO
Explanation:
Which human organ system’s function is most similar to the function of a cell wall in plant cells?
Answer:
The cell wall, vacuole, and chloroplast are found in plant cells not human body.
Answer:
the respiratory system!
Explanation:
i just took a quiz and this was one of the questions, i got it right
If humans are really intelligent and not simply manipulated by their genes like
any other animal, why can't they do anything about overpopulation?
Answer:
Explanation:
What about war? Why can't we do anything about war?
How about our needs and wants beyond shelter and food?
Of all the things plaguing the world, I think over population is one of the things we can do something about. You are right. But needs and wants play a huge role in why we can't seem to do anything right.
Of course on thinking it over, we have problems that have their roots in overpopulation like pollution.
Which of the following statements best describes what happens during exercise?
(Please explain why each of the incorrect statements are wrong. Thank you!)
A.
Blood vessels in the muscles dilate to increase blood flow.
B.
Blood vessels in the heart dilate to increase blood pressure.
C.
Blood vessels in the organs dilate to increase blood oxygen.
D.
Blood vessels in the lungs dilate to increase blood volume.
Why does Matt call his dog?
A)He wants to give his dog a hug.
B) He wants to take his dog for a walk.
C) He wants to give his dinner to the dog.
D) He wants his dog to go into the kitchen.
Which of the following are adaptations present in plants or animals that live in the understory level of the rainforests? (Choose all that apply.)
a. large eyes to see in the darkness
b. broad leaves to catch available light
c. vines and structures to climb towards sunlight
d. thick, waxy leaves
Answer:
large eyes to see in the darkness
b. broad leaves to catch available light
c. vines and structures to climb towards sunlight
Explanation:
This because Adaptation refers to the ability of plants or animals to adapt, survive and reproduce in it's environment through its developed structural which help it to do so. Plants in the rainforest enjoy abundance of rain and there are thick forest of trees and shrubs. Therefore animals there normally have broad eyes to see in the darkness because the trees form shade easily. The plants normally have broad leaves to receive sunlight
Answer:
- broad leaves to catch available light
- vines and structures to climb towards sunlight
- large eyes to see in the darkness
Explanation:
Organisms that live in rainforests have adaptations that enable them to live in the different conditions that exist in each layer.
what organelle directs heredity
Answer:
The nucleus
Explanation:
The nucleus contains chromosomes that contain genes
I need the answer pls don’t tell the wrong answer and this is science
What percentage of the global population lives in the United States?
Answer: 4.25%
Explanation:
As at Friday, May 28, 2021, the population of the United States of America is about 332,754,370. The population of the world is about 7,868,904,000.
Therefore, the percentage of the global population lives in the United States is about 4.25% that's 332,754,370/7,868,904,000 × 100%.
Give an example of homologous and analogous structures
homologous: the forelimbs of vertebrates
analogous the wings of an insect, bird, and bat
The graphs here show the distribution of beak depths for the ground
finches on Daphne Major, an island in the Galapagos. The bird beaks were
measured over a multi-year study, including a time period before and after
a drought. The drought reduced the supply of seeds and left most of the
seeds as thick-walled nuts that survived the drought. Analyze the data and
select the claim about natural selection and genetic diversity that is
supported by the data.
Natural selection tends to reduce genetic variation, as there was a smaller distribution
of beak depths, but it tends to select for the most fit phenotypes, as there was an
increase in average beak depth after the drought.
Natural selection tends to increase genetic variation, as there were more ground
finches after the drought, and it tends to select for the most fit phenotypes, as there
was an increase in average beak depth after the drought.
Natural selection tends to reduce genetic variation, as there was a smaller distribution
of beak depths, but it tends to select against the most fit phenotypes, as there was an
increase in average beak depth after the drought.
Natural selection tends to increase genetic variation, as the average beak size
increased after the drought, but it tends to select against the most fit phenotypes, as
there was a decrease in population size for the finches after the drought
Answer: (A) Natural selection tend to reduce genetic variation as there was a smaller distribution of beak depths, but it tends to select for the most fit phenotypes, as there was an increase in average beak depth after the drought.
Explanation: The picture below shows proof if needed. On USATP
Natural selection tend to reduce genetic variation as a smaller allocation of beak depths, but it tends to select for the most fit phenotypes, as an increase in average beak depth after the drought.
How does natural selection affect genetic variation?Genetic variations that vary gene and protein role.
If a trait is favourable and helps the someone survive and breed, the genetic variation is more likely to be passed to the next generation.
Thus, option "A" is correct by selecting for or against a specific gene.
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The role of the 23S rRNA of the large ribosomal subunit of E. coli during protein synthesis is: Question 50 options: helps to form the A site within the ribosome contributes to the process of translocation during the elongation stage of protein synthesis none of these choices is correct actively forms a peptide bond by acting as a ribozyme aid in initiation of protein synthesis
Answer:
Actively forms a peptide bond by acting as a ribozyme aid in initiation of protein synthesis.
Explanation:
The role of the 23S rRNA of the large ribosomal subunit of E. coli during protein synthesis is the formation of a peptide bond by acting as a ribozyme aid in initiation of protein synthesis. 23S rRNA has an important function of peptidyl transferase. Both peptidyl-tRNA and aminoacyl-tRNA are necessary for synthesis of protein and transpeptidation response. The 23S rRNA positions have a significant function in the binding of tRNA in P site of the large ribosomal subunit.
I’m not sure but do anybody know this ♀️
IM TIMED PLS HELP
How does deforestation impact greenhouse gases in the atmosphere the most?
A.
Deforestation increases the build-up of greenhouse gases because the removed trees would have consumed carbon dioxide.
B.
Deforestation removes trees, which shelter organisms that release gases that purify the air.
C.
Deforestation decreases the amount of greenhouse gases because trees produce many of them.
Answer:
Deforestation increases the build-up of greenhouse gases because the removed trees would have consumed carbon dioxide.
Explanation:
Answer:
A. Deforestation increases the build-up of greenhouse gases because the removed trees would have consumed carbon dioxide.
Explanation:
Burning fossil fuels, in combination with the destruction of carbon sinks due to deforestation and other activities, has contributed to more and more carbon dioxide building up in the atmosphere – more than can be absorbed from existing carbon sinks such as forests.
What are possible effects warming the atmosphere?
An event that causes changes to the living or nonliving parts of an ecosystem is called a ________________?
succession
disturbance
species
none of the above
Answer:
Explanation:
2nd one
Which would indicate the water in a lake is not safe for drinking? A. many varieties of fish in the lake B.high dissolved oxygen levels in the lake C. cold water temperature of the lake D. high turbidity levels in the lake
The water in a lake is not safe for drinking, high turbidity levels in the lake Coliform bacteria occur innately in soil and in the intestines of humans and other organism.
What is dissolved oxygen in water?Dissolved oxygen (DO) is the quantity of oxygen that is current in water.
Water bodies obtain oxygen from the atmosphere and from aquatic plants.
Rushing water, such as that of a fast moving stream, dissolves more oxygen than the still water of a pond or lake
Thus, option "D" is correct, high turbidity levels in the lake.
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The diagram shows which structure of the nervous system?
Dendrite
Axon
Myelin sheath
the meninges
a vertebra
a neuron
the cerebellum
Answer:
C. a neuron
Explanation:
took the cumulative test 100% edge 2021
In ecosystems, plants transform light energy from the Sun into chemical energy when they make sugar. This sugar can then be consumed by other organisms to be used as building blocks for other molecules, such as proteins and fats, or it can be transformed into other forms of energy, such as kinetic energy, when the organism moves. Which of the following statements is supported by the above information? A. Energy can change forms, but only one kind of matter exists. B. Matter can change forms, but only one kind of energy exists. C. Matter and energy can change forms and locations in ecosystems. D. Matter and energy must always remain in the same form and location.
Answer:
The answer is C. Matter and energy can change forms and locations in ecosystems.
Explanation:
Large and small particles are found mixed in a fast-moving stream. What type of erosion is this?
A. Suspended load
B. Traction load
C. Dissolved load
D. Bed load
I think the answer is bed load
Explanation:
bed load describes particles in a flowing liquid that is transported along the stream bed
A bed load includes large and small particles are found mixed in a fast-moving stream. The correct option is D.
What is a bed load?The descriptor bed load or bedload refers to particulate in a flowing fluid basically water that are carried anywhere along stream bed. Bed load works in tandem with suspended load and wash load.
Conventionally, parameters of bedload have been taken by placing samplers in contact with the bed and permitting the sediment transferred as bedload to accrue (or be trapped) inside the sampler for a certain amount of time before raising the sampler to the surface and emptying the material.
Once the critical boundary shear stress is exceeded, coarser grained material tends to move in intermittent contact with the bed.
This movement, known colloquially as "bedload transport,"
Thus, the correct option is D.
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What is the major issue that we are faced with as discussed in this video kiss the ground What is the proposed solution? plssss
Select the correct answer.
What is true about the theory of punctuated equilibrium?
A. It relies on the discovery of "missing links."
B. It explains the absence of transition in fossils.
C. It portrays evolutionary change as a smooth curve.
Answer:
C. It portrays evolutionary change as a smooth curve.