The percentage of a hunter-gatherer society’s diet provided by hunting versus gathering was mostly determined by . a.
the climate
b.
the types of prey
c.
hunting skill
d.
the size of the human population

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants. d. selecting individuals at random.

What organ systems are working to you cool down after a workout?

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?