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Rasek [7]
2 years ago
12

What is the source of carbon for the organisms of food chains?

Biology
2 answers:
Anna35 [415]2 years ago
7 0
The answer would be the sun the sun helps producers make food through photosynthesis
murzikaleks [220]2 years ago
5 0

Answer:

The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers such as plants, algae, and cyanobacteria use the energy from sunlight to make organic matter from carbon dioxide and water. This establishes the beginning of energy flow through almost all food webs.

Explanation:

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Two competing hypotheses to account for the increase in the number of Hox genes from the last common ancestor of bilaterians to
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Answer:

The duplication of a cluster of four Hox genes is equally likely as the duplication of a single Hox gene.

Explanation:

This comes from the definition of the parsimony principle, which is the action of choosing the simplest scientific explanation fitting the given evidence, meaning that all other elements are equal when evaluating the hypothesis. In biology the best hypothesis is the one that requires the fewest evolutionary changes.

Since three independent duplications of an individual Hox gene is in  evolutionary terms, more complex than a single duplication or a cluster, then that hypothesis would be the most parsimonious.

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kherson [118]
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