Scientists hypothesized that several species of frogs called tiger frogs evolved from a recent common ancestor. The hypothesis was based on fossil evidence and on physical similarities among living species. Which of the following
provides the best additional support for the scientists' hypothesis?
Tiger frogs live near each other and are all preyed upon by the same predator species.
Tiger frogs have similarities in their mitochondrial DNA that are not shared by other frog species.
Tiger frogs have the same diet and all use enzymes to digest food.
Tiger frogs have longer life spans than other frog species.

Melissa lives in a town called greendale. she discovers that when she lights a match and holds it near her kitchen faucet, the little flame grows into a larger fire. melissa is surprised because she thought the water would extinguish the flame rather than ignite it further. her mother tells her that the water might be contaminated with dissolved methane, a primary component in natural gas. melissa investigates the matter and finds that cases of methane contamination started shortly after a company began fracking for natural gas in the area. based on this information, which three statements are plausible consequences of fracking in greendale?

The term used to describe a disease-causing microorganism isa. virus. b. infection. c. pathogen. d. microbe. e. bacterium.

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.