The various components of a mixture do not combine chemically.

a. True

b. False

Variables that are kept the same in all the groups during an experiment are

Closely related species often look similar but have courtship rituals that are slightly different. a. increase competition between the species b. increase communication between the species c.

Which hold water until it is needed? dams reservoirs aqueducts valleys

What is meant by the "life cycle" of a parasite? What importance does it have to those who take care of patients with parasitic diseases?

Sponge larvae are more animal-like than adult sponges because

European cuckoo birds lay their eggs in the nest of other bird species, allowing the other birds to raise their young. the cuckoo birds are therefore:

Explain why it would be a problem if an organism's very first stem cells were copied and multiplied like usual, but they didn't differentiate.

What makes a storm a thunderstorm?

DNA stores A. Heredity information B. Proteins C. Memories D. Carbohydrates

What does the client learn to deconstruct in constructivism?