What is the state of the heart during systole?

a. filling with blood

b. suffering an attack

c. contracting

d. at rest?

If analogous structures are often examples of convergent evolution what types of structures would likely be examples of divergent evolution

Over time, some organisms have co-evolved so they mutually benefit and depend upon one another. Many plants, for example, have developed adaptations in order to attract specific animals that can spread their pollen or seeds and ensure the plant's

The nurse teaches the parents of an infant who has had surgery to correct imperforate anus how to position the infant to prevent tension on the perineum. the nurse determines more teaching is need when the parents put the infant in which position?

5. What is the role of enzymes in the DNA replication process? A. Enzymes read the DNA code and build a new DNA molecule from scratch.

1. Biological anthropology is: a) a science about human biological variation and human evolution b) a science about the origin of life c) a science about the diversity of life forms on Earth d) a science about human genetics e) a science about

What would you expect to happen if sea otters were removed from this food web? Check all that apply. The population of elephant seals would decrease. The population of kelp crabs would increase. The population of kelp would increase.

When blockages in the bloodstream read the Brian it can cause blank?

A gazelle is born with slightly longer legs which allow it to run faster than the other gazelles in the herd. This adaptation came may have come about because a. the gazelle needed to be able to run faster. b.

In a population of deer mice, the allele for white hair is recessive and the allele for brown hair is dominant.

What makes a molecule a saturated fat?