evolution

Which lines of evidence support the idea that all living things share a common ancestry?

• fossils, embryology, biogeography, comparative anatomy, DNA

• primate skulls, analogous structures, fossils, embryology

• comparative anatomy, disparaging anatomy, vestigial organs

• ossils, analogous structures, DNA, geography

If organisms A and B share 85% of their DNA and A and C share 35%, which are most related?

• A and C

• A and B

• None of them

• You can't tell

Relative dating gives scientists an exact age of a fossil.

• True

• False

Humans share much of their DNA with bananas

• True

• False

If organisms A and B share 75% of their DNA and A and C share 55%, which is true?

• All these have a common ancestor.

• A and C are not related.

• A and C are most closely related.

• None of these.

Primate brain capacity has increased over time.

• True

• False

The bone structure of birds' wings and bats' wings show evidence of a common ancestor.

• True

• False

The function of flies' wings and birds' wings show evidence of a common ancestor.

• True

• False

All organisms that live become fossils

• True

• False

Which of these are reasons why the fossil record is incomplete?

• Scientists haven't found all the fossils

• Not all organisms become fossils.

• Some fossils get destroyed before they're found.

• All of these