An example of a density-dependent factor that influences the size of a population is:
a. rainfall.
b. temperature.
c. a fire.
d. parasites.
e. an earthquake
D
You might also like to view...
Why was it important to infiltrate the leaf disks with liquid before performing this assay?
What will be an ideal response?
Cells that are making large quantities of proteins will have numerous
a. centrioles. b. chromosomes. c. cilia. d. plastids. e. ribosomes.
In his study of the Mediterranean fruit flies (Ceratitis capitata), Matthew Gage (1991 ) found that ________
A) males allowed to mate alone produced 2 1/2 times more sperm than those mating in the presence of other males B) males allowed to mate alone produced 2 1/2 times less sperm than those mating in the presence of other males C) males produced the same amount of sperm when they were allowed to mate alone or when they mated in the presence of other males D) males engaged in aggressive behavior when mating in the presence of other males
A nonassociative learning called ________ can be defined as a decrease in response to a repeated stimulus that has no positive or negative consequences.
A. habituation B. cognitive learning C. desensitization learning D. instinctive learning E. imprinting