Which of the following describe density-dependent factors? (Check all that apply.)A) They act to regulate population growth.B) They are especially important in K-selected populations.C) They can affect growth rates but not population size.D) They can affect birth rates or death rates.E) They do not involve biological interactions.F) One example would be intraspecific competition for resources.
What will be an ideal response?
A, B, D, F
You might also like to view...
The evolution of life on Earth was made possible by ____
a. DNA b. organelles
c. an environment that favors oxygen photosynthesizers d. natural selection that favors efficient reproduction of organisms e. random mutations
Many fully differentiated plant cells are totipotent, meaning that they ____
a. will grow roots if they touch the ground b. will perform photosynthesis if exposed to sunlight c. can fertilize an egg d. have the potential to form a whole, fully-functional plant e. can undergo meiosis
Two proteins that control synapse formation in response to environmental stimuli in early childhood and that when abnormal might lie behind autism are
A) collagen and elastin. B) insulin and glucagon. C) neurexin and neuroligin. D) fibrin and fibrinogen.
Tracers are elements that ____
a. are used in minute amounts in plants b. can be monitored through biochemical reactions c. must be inert d. have an unbalanced electrical charge e. must have a stable nucleus