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mote1985 [20]
3 years ago
6

Which example is a trace fossil?

Biology
1 answer:
enot [183]3 years ago
4 0

Answer:

B.) Dinosaur footprint

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Isabella has two brothers. One has brown hair and brown eyes like she does, while the other has dark
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Answer:

They get different genes from each parent.

Explanation:

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An action potential involves the transfer of _____ and _____ ions across an axon's membrane.
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During depolarization, when the ion channels open, they allow the influx of sodium ions into the cell, thus changing the electro-chemical gradient of the cell, in order to counter balance this, potassium ions will be allowed to flow out of the cell.<span />
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3 years ago
Which structural characteristic is found in both plant and animal cells?
defon


The best answer is A.

Mitochondria are small organelles found floating  free in the cytoplasm of both animal and plant cells. They consist of two membranes, an outer and inner membrane which has numerous folds creating layered structures called cristae.Inside the mitochondria, there is found  fluid called the matrix

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3 years ago
Lean women with a BMI less than ________ have increased risks of preterm delivery, and deliver- ing a low-birth weight infant.
hoa [83]
Lean women with a BMI less than 20 have an increased risks of preterm delivery, and deliver- ing a low-birth weight infant. The correct option among all the options that are given in the question is the first option or option "a". Similarly it is not good to gain excess weight while in the pregnancy stage, as the baby might grow at a larger proportion that required. 
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3 years ago
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People are often able to live in a coma for several years because parts of the body that are not under conscious control continu
Serga [27]

People are often able to live in a coma for several years because parts of the body that are not under conscious control continue to function. This situation best reflects the importance of the

A) central nervous system

B) autonomic nervous system

C) somatic nervous system

D) forebrain

Answer:

B) autonomic nervous system

Explanation:

The autonomic nervous system is a part of the peripheral nervous system. It comes under the motor division of the peripheral nervous system. The function of this division of the nervous system is to deliver the motor information from the central nervous system to the smooth muscle, cardiac muscle, and glands.  The responses produced by these muscles and glands are not controlled by the will or conscious of the individuals.  

Due to the functioning of the autonomic nervous system, the person under the coma could perform the activities such as breathing, pumping of heart to deliver the oxygen to the body cells, etc. and stay live.

6 0
3 years ago
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