PLEASE HELPP WILL GIVE BRAINLIEST A) How do scientists use molecular clocks to study evolution?

B) Explain some assumptions and limitations of the molecular clock concept.

Which of the following birds remained ancient looking in the miocene epoch? a. crows b. owls c. grouses d. none of the above

List two modern organisms that have pentameral symmetry

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand