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FinnZ [79.3K]
3 years ago
7

A cell has the following features; a nucleus, mitochondria, ribosomes, a cell wall made of chiton and a cell membrane.

Biology
1 answer:
son4ous [18]3 years ago
6 0
fungi - chitin is the chemical component in the cell walls of fungi
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The primary growth of a plant adds __________, and secondary growth adds __________. View Available Hint(s) The primary growth o
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Answer:

1. Height

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Explanation:

The woody plants grow in two manners: the primary growth and secondary growth.

The primary growth is considered the type of growth which increases the height of the plant which involves the apical meristem present at the tip of the shoot.

When the height increases up to its maximum length, then secondary growth begins which add tissues to the side that is it increases the girth by adding bark, secondary xylem and phloem.

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3 years ago
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Scientists think that dolphins and whales may have evolved from a common ancestor. What evidence supports this hypothesis
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Scientists think that dolphins and whales may have evolved from a common ancestor because they have similar anatomies.

<h3>What is a common ancestor?</h3>

A common means different animals now, have evolved from a single ancestor or animal.

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Whales, dolphins, and porpoises are evolved from a common ancestor; cetacean.

The animals that evolved from cetaceans are all aquatic, primitive cetaceans were amphibians too.

Thus, They have similar anatomies.

Learn more about ancestors

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2 years ago
The higher up the food chain humans eat, the greater levels of toxic metals they take in. true false
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the answer would be true because you eat more toxins the higher you go

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