Many species of bacteria live in your mouth and throat. These bacteria come from several different groups within domain Bacteria. You can avoid most bacterial infections by washing your hands frequently and not sharing food or eating utensils. Choose the three statements that are true of every kind of bacteria.
A. respond to stimuli
B. can survive without water
C. can reproduce
D. can spontaneously generate
E. use energy

What are some aquatic organisms that live in cold water temperatures?

Read the following scenario to answer the following question. in some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. applying the biological species concept, the sterility of ligers reveals that a. lions are probably a subspecies of tigers b. tigers and lions are the same species c. a new species called "ligers" is forming d. tigers and lions are separate species

An ecologist is studying the effects that a population of predators is having on a population of a prey. he used data from the field to produce this graph. which conclusion can draw from the graph?