When climbing a high mountain you get out of breath easily because ...

A) the percentage of nitrogen in the air falls

B) the air is more dense

C) there is less oxygen in each cubic meter of air

D) the air pressure is greater

Which is true of a normal human male

A recessive mutant allele of an autosome gene in a species of mouse results in a shorted tail in males when homozygous. However, when homozygous in females, this genotype has no effect, and the mice have normal tails.

Planets are round because of gravity. O True O False

Which term refers to physical characteristics that are studied in genetics?

Imagine you want to study one of the human crystallins, proteins present in the lens of the eye. To obtain sufficient amount of the protein of interest, you decide to clone the gene that codes for it. Assume you know the sequence of this gene.

What side of the body is your appendix on?

Which principle was used to gather evidence that led to the big bang theory? A. Doppler shift B. radiocarbon dating C. first law of thermodynamics D. law of gravity

Ice ages can cause the extinction of animals because lack of

Which of the following is a common feature among the four inner planets? A. atmosphere composition B. distance from the sun C. rocky surface D. temperature range

The bunnies in a forest have different colored fur at different times of the year. The bunnies you see have brown fur in the fall. The bunnies you see in winter have white fur. What is this an example of? a. Evolution b. Artificial Selection c.