A marine biologist discovers a new tiny aquatic invertebrate species that lacks gills. The most reasonable hypothesis would be that the animal gets oxygen through

A child presents with symptoms of iron poisoning from having ingested several chewable mineral supplement pills containing iron. which symptoms are most likely to indicate that the poisoning has progressed to stage iv? select all that apply.

Why are sedimentary rocks found as a veneer

What type of electrical energy is used in homes and businesses in California and is produced from the heat energy of magma close to the earth's surface?

A researcher is investigating two species of fungi fungi x and fungi y

A pea plant with round seeds (RR) is crossbred with another pea plant with wrinkled seeds (rr). What is the probability of the offspring having wrinkled seeds?

What does the nucleus of a human lymphocyte contain? A. Only the genes to produce a specific antigen B. Only the genes to produce a range of antibodies C. Only the genes that control the growth and development of a lymphocyte D.

What is the functions for chloroplast

How do inbreeding and hybridization compare

A species of gray wolf was eliminated from a national park because of unrestricted hunting. As a result, there was a tremendous increase in the population of its prey, the elk. The populations of other herbivores also increased.

Plant fiber is which type of cell?