In the visual system, the of the eye is filled with a gelatinous material that helps focus light.

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

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

An organism's reproductive strategy includes all of the following except a. the number of offspring produced. b. the amount of energy expended in producing offspring. c. the length of time parental care is given d. the number of alleles an organism passes on.