True or False? 1. Unlike plants and fungi, in which gametes are usually produced

ID: 39681 • Letter: T

Question

True or False?

1. Unlike plants and fungi, in which gametes are usually produced by mitosis, animal gametes are produced by meiotic divisions.

2. In "cleavage", there is no cell growth between mitotic divisions.

3. In some animals, development includes at least one larval stage, but most animals are like mammals and lack a larval stage.

4. Like many other gene families, Hox gene families arose by gene duplication.

5. The ancestor of the animals was a single-celled organism.

6. Fossils of animals with shells have been found in pre-cambran rocks.

7. Some paleontologists have claimed that about half the animal phyla first evolved in the

1) True

2) False

3)True

4)False

5)True

6)True

7)True

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