A phylogenetic tree is a: a. detailed timeline of a species' evolutionary history. b. factual representation of the evolutionary history of species. c. None of the other answer options are correct. d. guess about the evolutionary history of species. e. hypothesis about the evolutionary history of species.

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

One function of the poly-a tail on eukaryotic mrna sequences is to the mrna be transported from the nucleus to the cytoplasm. prokaryotic mrna also has a poly-a tail. choose the best explanation of the prokaryotic poly-a tail. a. prokaryotic poly-a tails are composed of a different molecular structure compared with eukaryotic poly-a tails. b. prokaryotic poly-a tails have the same functions as eukaryotic poly-a tails, because this process is highly conserved throughout different species. c. prokaryotic poly-a tails aren't important, because prokaryotes don't have nuclei. d. prokaryotic poly-a tails have other functions, because prokaryotes don't have nuclei.

Which type of stimulus do mechanoreceptors detect? sound pain heat light