Metabolism’s purpose is to conserve food into energy. Because cells have mitochondrion, which is the powerhouse of the cells, it needs something to convert to energy.
Exocrine- Digestive
Endocrine- Hormonal
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At first glance cycads and palm trees look very similar. How are they distinguished? a. Cycads have cones, and palm trees, a gnetophyte, have single large fruits.
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Answer:
15 percent
Explanation:
Lymphatic vessels recover about 15 percent of the fluid filtered by capillaries. In addition, these vessels contain white blood cells that fight infections.
So, I decided to take another whack at this, specifically number 3, and at first I didn't really try to answer 'cause I have no clue what the word dueterostome means, but I do know that, for the other two criteria, A, arthropods is the only one that fits both.
also, on 6, it is b, because I remembered what an anther is and it has nothing to do with the eggs (it's the testes, pretty much)
and if I had to guess at 8, I would say it is d because all the others are characteristics of sexual reproduction. (I'm not sure of this, though, because I'm not sure where this defines the line for mitosis, both go through it, but at different points in the process, so I assume it isn't that one.)