Why are invasive species considered a threat to native wildlife? a. they can breed and spread quickly. b. they consume native species’ food supply. c. they evolve, and native species don’t. d. they all have higher genetic diversity than native species. e. they don’t need resources from the environment as native species do.

Select the correct answer.which scenario describes unethical lab behavior? a.danny stores the chemicals required for his experiment in flasks and beakers.b. anna publishes the results of her experiment on the growth rate of saplings.c. jason repeatedly runs an experiment until he gets the results he desires.d. mia records her observations of an experiment precisely and accurately.resetnext

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.