PLEASE, PLEASE, I NEED HELP: From the early 1700s to the modern day, how did various lines of evidence refine scientists’ understanding about the ancestry of Cetaceans? (I need an explanation for each one)(I will give brainiest) a. Anatomy

b. Fossils

c. Embryological Development

d. DNA

The series of transgressions and regressions that produce cyclothems were likely produced by

Ectocarpene is a volatile, sperm cell-attracting material released by the eggs of the seaweed ectocarpus siliculosus. its constitution is all the double bonds are cis, and the absolute configuration of the chirality center is s. draw a stereochemically accurate representation of ectocarpene.

What is one function of the embedded proteins