Mr. Morales is teaching a lesson on classification. He says that spiders are classified as a different group than insects because they have eight legs instead of six legs. He explains that spiders evolved first. Mr. Morales also says that having eight legs is the derived trait that separates the two groups. Antonio thinks Mr. Morales is wrong. Which piece of information is Antonio considering?

Spiders do not have eight legs.

Insects do not have six legs.

If spiders evolved first, six legs is the derived trait.

Spiders do not have derived traits, since they evolved first.

Question

Biology

Jace Richards

25 December, 15:18

Mr. Morales is teaching a lesson on classification. He says that spiders are classified as a different group than insects because they have eight legs instead of six legs. He explains that spiders evolved first. Mr. Morales also says that having eight legs is the derived trait that separates the two groups. Antonio thinks Mr. Morales is wrong. Which piece of information is Antonio considering?

Spiders do not have eight legs.

Insects do not have six legs.

If spiders evolved first, six legs is the derived trait.

Spiders do not have derived traits, since they evolved first.

+1

Answers (2)

Know the Answer?

Margaret · Answer 1

Spiders do not have derived traits, since they evolved first.

Janet Fletcher · Answer 2

Spiders do not have eight legs is probably what he's considering, the Arachnids, are different from the Insecta, because of how the legs are, spiders generally appear with eight legs, which could descend to 6, but we don't know that, unless we have fossils on them.