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alexira [117]
4 years ago
11

What are primary and secondary succession

Biology
1 answer:
Natasha2012 [34]4 years ago
4 0

Hi,

A primary source provides direct or firsthand evidence about an event, object, person, or work of art. Primary sources include historical and legal documents, eyewitness accounts, results of experiments, statistical data, pieces of creative writing, audio and video recordings, speeches, and art objects.

Secondary succession is one of the two types ecological succession of a plants life

ihope this helps you

have a great evening

Faith

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Which descriptions apply to a chloroplast?
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Answer: (A) a membrane‑bound organelle with stacks of thylakoid discs called grana.

(E) the main site of photosynthesis in a plant cell.

Explanation:

The plant chloroplast is a large organelle, it is bounded by a double membrane like structure that is chloroplast envelop.

The chloroplast consists of chlorophyll pigment which traps the light energy from sun and converts it into chemical energy in the form of ATP. Thus the chloroplast is the main site for photosynthesis. Including the inner and outer membrane structure it also posses the third internal membrane structure which is called as the thylakoid membrane. The thylakoid membrane forms the network of flat discs which are called as thylakoids, the thylakoids are arranged in stacks which are called as grana.

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To enter or leave a cell substance must be through
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Which section of the heart receives deoxygenated blood? select one:
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The unweathered parenental rock is also known as​
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" Under cultivation, the A horizon broadly aligns with the topsoil and the B with the subsoil. The parent material below these is the 'C' horizon and where there is an underlying unweathered rock layer, often known as bedrock.

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