A organism's "trophic level" refers to:
a. where it lives
b. the rate at which it uses energy
c. whether it is early or late in ecological succession
d. the intensity of competition with other species
e. its food source
Answer: e. its food source
You might also like to view...
A given medium can be either selective or differential but not both.
Answer the following statement true (T) or false (F)
Why do vaccines help human health?
A. Vaccines stimulate the immune system to remember a virus for an extended period of time. B. Vaccines stimulate the immune system to recognize a virus faster if encountered. C. Vaccines stimulate the immune system to destroy a virus more effectively if encountered. D. All of the above are reasons why vaccines help human health.
The human body temperature is 37o Celsius. If a person goes outside on a very cold day, the temperature will still be
close to 37 o Celsius. This is an example of ____.
a. pluripotency b. homology c. homeostasis d. differentiation e. regeneration
The principle of independent assortment states that
a. one allele is always dominant to another. b. hereditary units from the male and female parents are blended in the offspring. c. the two hereditary units that influence a certain trait segregate during gamete formation. d. each hereditary unit on one chromosome is inherited separately from hereditary units on other chromosomes. e. genes on the same chromosome travel separately.