The germ layer located on the dorsum of the embryo is the

a. hypoblast.

b. mesoderm.

c. endoderm.

d. ectoderm.

e. epiblast.

You are hurrying to finish that science fair project and ... oops, a splinter from your display ends up in your hand. you pull it out, but later that night your finger becomes swollen and red.

What happen if cone cells are absent in eye?

How does isolation of a population lead to a decrease in genetic diversity

Polydactyl, having extra fingers or toes, is an autosomal dominant disorder that occurs in cats as well as in humans. A cat breeder collects information about her cats and makes the pedigree below.

Based on the theory of evolution, in which rock layer would we find the least biodiversity?.

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.