Where is the blood filtered

Is an aphid a producer

How do living systems obey the Law of Conservation of Mass? Explain in at least 3 sentences.

Which of the following is not true of reproduction in a pine tree? A) the polloen tube contains two diploid sperm. B) the zygote grows into the embryo.

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one? A. Two parents with brown eyes may have a child with brown eyes. B.

Which of the following is a concern expressed by opponents of the use of genetically modified (GM) food crops? Select all that apply. GM food crops might pass their new genes to human consumers.

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?