In biological systems, structure and function are related. explain the role of membranes in two of the following cellular processes: - synthesis of proteins - formation of lysosomes - dna transcription

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm