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Ne4ueva [31]
2 years ago
8

Explain the difference between afferent and efferent neurons. will give brainliest

Biology
1 answer:
Olin [163]2 years ago
8 0

Answer:

  • Neurons that receive information from our sensory organs (e.g. eye, skin) and transmit this input to the central nervous system are called afferent neurons.

  • Neurons that send impulses from the central nervous system to your limbs and organs are called efferent neurons.

Explanation:

<h2>Hope this helps you !! </h2>
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Evolutionary theory contends that genetic ___________ is necessary and beneficial for humanity when there is an environmental ch
Anni [7]

Answer:

variation

Explanation:

Genetic variation is what makes us all unique as a result of subtle changes in our DNA.  The Theory of Evolution is a process in which organisms change over time as a result of adapting to their environment.  Charles Darwin came up with the term Survival of the fittest, in any environment plants and animals from the same species show natural variation in their physical characteristics, like neck lengths in giraffes.  Darwin suggested that the plants and animals best suited to the environment will survive and pass on their characteristics to their offspring. Over time, the characteristics of the surviving members of the species will become predominant.

Example: Peppered moth

In London in the 1800's, 98% of peppered moths had light colored bodies and only 2% were dark.  The light moths were the same color as the trees so they could easily hide from hungry birds and not get eaten.  The dark moths however were easy to see and were eaten.  Then came the factories and smoke of the industrial evolution and many trees turned black with soot and suddenly the dark moths were able to survive better as they now looked like the trees and the light colored moths were easier to spot and eat.  By 1895 the dark peppered moths made up 95% of the population and the light colored moths only 5%.  This is an example of natural selection, because of the gene that makes the moths dark, it allowed them to flourish when the environment changed, they adapted, reproduced and survived.

8 0
2 years ago
Which of the following is an example of an adaptation that allows similar species to live in the same environment?
Andrei [34K]

Answer:

B. Both mussels and barnacles live in the tidal ecosystems.

Explanation:

Mussels are <u>small bivalve molluscs that are adapted to both marine and freshwater ecosystems</u>. Barnacles, on the other hand, <u>are arthropods that are adapted to marine ecosystems. However, both are adapted to shallow and </u><u>tidal</u><u> zones</u>.

Both organisms are small and have the capacity to live in tidal ecosystems where they thrive and play important ecological roles. For instance, barnacles are filtering organisms, which is extremely important for the food chain, and mussels filter out significant amounts of excess nutrients and metals, that is, they make the water more suitable and clean for organisms to live.

As they are both adapted to tidal ecosystems, this would be an example of an adaptation that allows similar species, in this case mussels and barnacles, to live in the same environment.

4 0
3 years ago
Can you put nail polish on the glitter parts of TY Beanie Boos?
Solnce55 [7]

Answer:

You can put whatever u want on it

Explanation:

3 0
2 years ago
Read 2 more answers
How is an enzyme’s shape affected when it becomes denatured?
sladkih [1.3K]

Answer:

Explanation:

it becomes distorted, it can no longer bind to its substrate, it no longer works correctly. ... they each have a unique shape that the substrate needs to stick to.

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2 years ago
Muscle cells in athletes often have more mitochondria than muscles cells in non athletes based on the observation it can be infe
taurus [48]
It can be inferred that muscle cells in athletes produce more ATP than muscle cells of those who live sedentary lifestyles.
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3 years ago
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