In large natural ecosystems, competition between two species over time will usually result in
a) hybridization between the two species, resulting in a third species.
b) death of all the members of one species within a short time.
c) each species occupying a slightly different niche.
d) equal numbers of each species persisting for a long time.
e) alternating high numbers of each species as they constantly evolve mechanisms to out-compete each other.
Ans: c) each species occupying a slightly different niche.
You might also like to view...
Which of the following statements about the physiological responses of plants to increasing temperatures and carbon dioxide levels is false?
A. Many plants devote more resources to reproduction under these conditions. B. Many plants produce flowers earlier in response to increased temperatures. C. Many plants produce leaves earlier in response to increased temperatures. D. The amount of nitrogen in plant tissues declines in response to increased CO2. E. None of the answer options is false.
Which of the following is associated with the Calvin cycle?
a. stroma b. mitochondria c. oxygen d. glucose
The gene pool refers to all of the genetic information within a
A) cell. B) individual. C) population. D) species.
__________ is a synthetic auxin that stimulates root development on stem cuttings and is used
extensively in asexual propagation. a. Indoleacetic acid b. Indolebutyric acid c. Naphthalene acetic acid d. 2,4-D e. 2,4,5-T