Which of the following best describes how embryological evidence supports the idea that life changes overtime? a) some fossils exhibit similar structures, possibly due to a common ancestor. b) some animals exhibit similar stages in embryonic development. c) some animals exhibit structures that are no longer used for any purpose. d) some animals exhibit similar biological proteins.

Which organelle releases chemicals that break down large food particles into smaller ones?

Need will mark ! which features are created by groundwater erosion and deposition? check all that apply. a. stalagmitesb. sinkholesc. rillsd. stalactites e. gullies f. rivers

Which of the following is a difference between active transport and facilitated diffusion? view available hint(s)which of the following is a difference between active transport and facilitated diffusion? facilitated diffusion can move solutes against a concentration gradient, and active transport cannot.active transport involves transport proteins, and facilitated diffusion does not.facilitated diffusion involves transport proteins, and active transport does not.active transport requires the expenditure of cellular energy, and facilitated diffusion does not.