Sand dollars are radially symmetrical and have an internal skeleton but no backbone. Which phylum do sand dollars belong in?

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

How many neutrons does a atom of cobalt have?

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?