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VladimirAG [237]
3 years ago
15

All living things need carbon. how does carbon enter the living portion of an ecosystem?

Biology
1 answer:
lyudmila [28]3 years ago
7 0
Atmospheric CO2 taken in by photosynthesis. 

Hope this helps! :)
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For the common ancestor of all the Bilateria, what was the fate of the blastopore?
nataly862011 [7]

Answer;

It is impossible to tell from the data provided.


Explanation;

Different animals can be categorized as either protostomes and deuterostomes based on certain features of their embryonic developments.

For those categorized as protostome; the features include; mouth from blastopore, spiral,determinate cleavage, and coelom from solid masses of mesoderm

Those categorized as deuterostome have features such as coelom from folds of archenteron, radial, indeterminate cleavage, and anus from blastopore.


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What are two ways cells die.
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<span>A cell can die in many ways - through infection, poisoning, overheating or lack of oxygen. An uncontrolled death is messy: the cell swells up, and its contents leak away. This may damage surrounding cells. But there is another, tidier way to go - programmed self-destruction, or apoptosis.</span>
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Ribosomes is the answer
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storchak [24]

Answer:

Blood vessels which help the body carry red blood cells throughout the bodies functions.

Explanation:

Capillaries, the smallest and most numerous of the blood vessels, form the connection between the vessels that carry blood away from the heart (arteries) and the vessels that return blood to the heart (veins). The primary function of capillaries is the exchange of materials between the blood and tissue cells.

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Determine whether the statement is true or false, and why. “If a point mutation occurs in a tumor gene it can become activated.
solmaris [256]

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Explanation: I already know this for a fact.

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