Can anybody help me with a question in chemistry?

Monkeys and bats have similar bone structure in their forelimbs. however, monkeys have longer forelimbs to use for climbing and swinging in trees. bats have shorter forelimbs to use for flight. which term best describes how monkey and bat forelimbs are related to each other? a. homologous b. embryonic c. analogous d. vestigial

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

All motion is caused by force? true or false