A marine fish is ________ and tends to ________ water to/from the environment.

Which of the following photosynthetic pathways is ideal for desert plants?

If birds with larger beaks are favored by the environment, it is likely that ________ selection will occur.

In a population with a q allele frequency of 0.6, what would the frequency of allele p be?

Describe the differences between stabilizing, disruptive, and directional selection.

In comparison with a blue whale, a shrew has

Increasing density does not affect the body mass of individual organisms.

The smaller a homeotherm, the greater the loss of heat to the surrounding environment.

The greatest limitation faced by terrestrial organisms is desiccation.

Guppies were moved from stream A, with a fish that preyed upon adult guppies, to stream B, with a fish that preyed upon juvenile guppies. After 30 to 60 generations, the guppies responded to the increased predation on juveniles relative to adults by