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Rzqust [24]
3 years ago
6

How do mass extinctions affect the rate of evolutionary change?

Biology
1 answer:
ANEK [815]3 years ago
6 0

The role of mass extinction in evolution. At the most basic level, mass extinctions reduce diversity by killing off specific lineages, and with them, any descendant species they might have given rise to. ... But mass extinction can also play a creative role in evolution, stimulating the growth of other branches.

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Which of the following statements regarding the endomembrane system is false? Which of the following statements regarding the en
myrzilka [38]

Answer:

The endomembrane system includes the nuclear envelope.

Explanation:

The endomembrane is composed by the endoplasmic reticulum (ER) and the golgi apparatus. Its main function is to synthesize proteins (rough endoplasmic reticulum studded with ribosomes) proteins can also be modified in the ER of pass to the golgi apparatus where they can be modified and sort to be packed in vesicles to be exported to different parts of the body, for example hormones.

the nuclear envelope only holds the DNA and it´s not involved in protein synthesis.

3 0
3 years ago
A log has a density of .8 g/cm³. This log will _______ in freshwater, which has a density of 1.0 g/cm³ .
m_a_m_a [10]
The log will float on the water because his density is lower than the liquid, so it will stay at the top due to Archimedes' principle.

<span>Archimedes' principle is a physical law that describes the upward force (the vertical thrust) experienced by any body immersed in a fluid (liquid or gas). This force is strongly related to the density of both the fluid and the body.
</span>
You can try the experience at home, by using an object that has a lower density than the water like the sunflower oil, you will see that it will stay at the top of the water too.
7 0
3 years ago
Read 2 more answers
Match the receptor to the place it is most commonly found on an animal's body. 1. chemoreceptors skin 2. mechanoreceptors nose 3
allochka39001 [22]
The photoreceptors would be your eyes, chemoreceptors skin, olfactory for nose and mechanoreceptors for obviously tongue hope this helps.
6 0
3 years ago
Read 2 more answers
The normal range of blood glucose is 70–120 mg/dL. A person has a blood glucose level of 170 mg/dL. Based on your knowledge of t
kifflom [539]

Answer:

The normal range of blood glucose is 70–120 mg/dL. A person has a blood glucose level of 170 mg/dL. Based on your knowledge of the endocrine system and hormones, explain the likely cause for the person's condition.

It could be as a result of high sugar intake which increases the individual's blood glucose level

Explanation:

From the assertion above, it could be deduced that the individual pancrease is no more functioning hence; no control of blood glucose level. Furthermore, the continuous intake of sugar or food materials with high sugar content contributes excessively to increase the blood glucose level in the body.

6 0
3 years ago
Please answer ASAP first gets brainlyist
Brilliant_brown [7]

Rain occurs because of moisture gathering higher in the atmosphere. The process that creates rain in the atmosphere has a variety of steps we don't see. This process is called the water cycle. This cycle is never ending, meaning that rain is a constant on the earth as long as there's an ocean or water on the earth.

Water vapor is an atmospheric moisture that is sometimes visible to the naked eye. Water vapor comes in the form of clouds, fog, mist, and dew. The process that creates water vapor is called evaporation, which is where water on the earth is heated to a temperature that makes water molecules spread out and begin to vibrate quicker. This creates water vapor.

The water vapor is commonly carried high into the atmosphere to create clouds. Once the vapor is in the atmosphere, it begins to lower in temperature. This causes condensation, which means the water vapor is reforming into water droplets.

Precipitation Takes place after this. Precipitation occurs when the water droplets are too heavy to carry in the atmosphere, so they drop back down to the earth. After this takes place, the entire process resets, and happens again.

Hope this helps!  

4 0
3 years ago
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