If a fish wants to stay buoyant in the water, what structure does it use?

- cartilage

- a lateral line system

- gills

- a swim bladder

I II Il Il 11 No. INC C . S A rectangular container measuring 20 cm x 42 cm x 42 cm is filled with water.

Most of the energy used by life on earth comes from which

A scientist wanted to formulate a pill to attack a specific type of bacteria that infects the throat. Which biological component would be best to use as a model for the pill's function? bacteriocytes phagocytes complement antibodies

What does mildew look like under a microscope

Complex diseases are caused by imperfections in multiple genes.

The process in which nuclear division occurs

Which did Kepler notice about planetary motion that caused him to propose Kepler's first law of orbital motion?

1 Which statement about the relationship between an organism's traits and its genes is true? A. An organism's genes are a direct result of its inherited traits. B. Genes code for proteins that determine an organism's traits. C.

The evolution of populations due to chance isa) genetic drift. b. has more effect in large populations than in small populations. c. gene flow. d. natural selection. e. genetic variation.

When you first get into the swimming pool the water feels rather cool; but after swimming for a while the water feels fine. a friend asks you how the water is and you tell her the "water's great".