Answer:
Pseudopod
Explanation:
Pseudopod – (false foot) a finger-like projection of the cell membrane and cytoplasm used to catch food and/or movement. An example of a protist with pseudopod is the amoeba.
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Answer:
The evolution of the heart is based on the separation of oxygenated blood from deoxygenated blood for efficient oxygen transport. pisces have a dual chambered heartwhile reptiles and amphibians are having a three chambered finally aves and mammals have four chambered hearts.
Explanation:
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<span>Connective tissue (CT) is the tissue that provides cohesion and internal support between organs and other tissues in the human body.</span>
The majority of connective tissues are characterized with the following property: They have greater amount of extracellular matrix compared to cellular content.
<span>Example is the blood in which the cellular portion is less concentrated than the plasma matrix that surrounds the blood cell.
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Answer:
A. Earth's tilt on its axis
Explanation:
Because of the earth's tilt, during part of the year the NE US is angled towards the sun, but the other part of the year it is angled away from the sun. This is what gives us our seasons.
Lipase is for digesting lipids. Without them to break down lipids, the lipids in cells can’t be used as energy source. So I would say A.