If a population of 5,000 zebras is growing logistically and has a carrying capacity of 10,000, what would the per capita rate of increase be if the population grew by 50 zebras in 1 year?
A) 0.2
B) 0.1
C) 0.02
D) 0.01
Answer: C
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Old man's beard (Usnea trichodea) and yellow Evernia lichens are sensitive to elevated levels of ____
a. sulfur dioxide b. nitrogen oxides c. nitrate d. sunlight e. fluoride salts
Name a defining characteristic of adaptive immunity
What will be an ideal response?
Which general term is used to group various biological and behavioral properties of organisms that act to prevent or reduce interbreeding?
A) phyletic evolution B) inbreeding C) reproductive isolating mechanisms D) genetic divergence E) allopatric speciation
One of the main functions of the cell cycle is to produce daughter cells. What characteristics do the daughter cells have after mitosis is complete?
A) The daughter cells have the same number of chromosomes but the genetic information is different than the parent cell. B) The daughter cells have double the genetic information compared to the parent cell. C) The daughter cells have the identical copies of the genetic information compared to the parent cell. D) The daughter cells have half the genetic information compared to the parent cell.