Dispersal can benefit an organism by reducing its chance of inbreeding
a. true
b. false
Answer: a. true
You might also like to view...
What gene must be expressed in a Drosophila for it to develop into a female fly?
A. SRY B. Hox C. SXL D. sex-1
Which of the following statements regarding fecal transplant is correct?
A. The goal is to completely eradicate Clostridium difficile from a patient's gut microbiota and replace it with a healthy community. B. Fecal matter must be carefully disinfected and screened for viruses, cysts, and endospores before transfer to a recipient patient. C. Donors and recipients must be carefully matched to prevent an immune reaction in the recipient. D. This treatment is designed to jump-start the intestinal microbiota after an infection with Clostridium difficile resuts in acute diarrhea.
The best definition of population density is the number of individuals:a
of all species in a given area. b. of one species in a given area. c. in a given area at a given time. d. of all species in a given area at a given time. e. of one species in a given area at a given time.
Testosterone is an example of a chemical signal that affects the very cells that synthesize it, the neighboring cells in the testis, along with distant cells outside the gonads. Thus, testosterone is an example of
A) an autocrine signal. B) a paracrine signal. C) an endocrine signal. D) both an autocrine signal and a paracrine signal. E) an autocrine signal, a paracrine signal, and an endocrine signal.