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kipiarov [429]
3 years ago
7

At a point during a cell's development, it begins to differentiate. How does differentiation occur?

Biology
1 answer:
ankoles [38]3 years ago
5 0
Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.
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A similarity between ice wedging and plant root growth is that the crack in a rock can slowly grow larger over time. Both can ca
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Answer:

true

Explanation:

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An active marine predator is found possessing these characteristics: a series of tentacles (modified from the foot), a highly de
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Cephalopoda

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Cephalopods are commonly known as inkfishes.

But cephalopods are not at all fishes. They are molluscs.

They belong to Class Cephalopoda of phylum Mollusca.

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Cephalopods have a well developed nervous system and have large bulging eyes.

Examples of cephalopods are, octopus, giant squid etc.

Considering all the above characteristics, we can conclude that the predator stated in the question is most likely to belong to the clade cephalopoda.

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Which of the following brain structures is involved in regulating hunger, thirst, temperature, and sexual behavior?(A) Hypothala
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Answer: Option A.

The hypothalamus is the brain structure responsiblre for regulating thirst, hunger, temperature and sexual behaviour.

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Hypothalamus is a part of brain structures located at the floor of the third ventricle below the thalamus and its control the autonomic system.

It controls hunger, thirst, temperature, fatigue, sleep and sexual behaviour . Hypothalamus secretes the anti diuretic hormones which increases the level of water absorbed into the blood by the kidneys and corticotropin releasing hormone which regulate immune system.

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Contractions of the heart generate blood pressure, which is responsible for moving blood through the blood vessels.
malfutka [58]

The contractions of the heart is what creates out blood to pulse through out body and is the basis of our blood pressure; which means this statement is TRUE.


The systolic number (top) of the blood pressure is our heart physically pushing the blood out of the heart and to the rest of the body.

The diastolic number (bottom) of the blood pressure our heart at rest when it has just finished with one pump.

8 0
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Can a person’s genotype be determined by their phenotype? Why or why not?
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No, a person's genotype cannot be determined solely by their phenotype as many genes in our genome do not get expressed.

Explanation:

4 0
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