In the graphs above, the x axis represents _________________ and the y axis represents _________________.
a) number of mates ; number of offspring
b) number of offspring ; fitness
c) temperature ; number of males or females
d) age class ; number of offspring
e) number of offspring ; number of mates
Ans: a) number of mates ; number of offspring
You might also like to view...
Recombination at the synaptonemal complex always results in
a. two changed and two unchanged chromatids. b. four unchanged chromatids. c. four changed chromatids. d. a random number of changed vs. unchanged chromatids. e. one unchanged and three changed chromatids from two subsequent recombination events.
Human activities are responsible for an increase in the amount of atmospheric carbon dioxide. Many feel that the buildup of this gas is at least partly responsible for the greenhouse effect and global warming. Increased carbon dioxide may actually be a benefit to some plants since they need carbon dioxide for carbon-fixation. How will the greenhouse effect influence the biosphere? Even though
experiments have shown increased carbon dioxide to be a boon for test plants, some scientists are still concerned about this phenomenon. Why? What will be an ideal response?
Most ciliates are likely to be found in
I. seawater II. freshwater III. acidic hot springs
a. I only b. I and II c. II and III d. II only e. III only
What is the defining feature of a eukaryotic cell?
a. cell wall surrounding the cell b. plasma membrane external to the cell wall c. internal membranes surrounding organelles d. ribosomes in the cytoplasm e. large vacuole for storage