Question 1) Why are there more species in Family Ursidae than there are in Genus Ursus? question 2) What characteristics are used to help identify the common name of the fish in the Dichotomous key? question 3) Critique your friend’s argument that there is no need for scientific names for organisms and that evidence of both scientific and common names for organisms will only confuse people. explain

What advantages does a pedigree have over a written passage?

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.