Which of the following features is seen in all higher invertebrates?

a. coelom

b. radial symmetry

c. segments

In What stage of the cell cycle does dna replication occur?

What type of instrument measures seismic waves? A. Seismogram B. Seismometer C. Mercalli scale.

The energy-releasing process that does not require oxygen is called A) photosynthesis. B) respiration. C) fertilization. D) fermentation.

What are three of the excretory organs of the body

Two positive integers are 3 units apart on a number line. Their product is 108. Solve for m, the greater integer, using which of the equation below? m (m - 3) = 108 A. m (m + 3) = 108 B. (m + 3) (m - 3) = 108 C. (m - 12) (m - 9) = 108

Which of the following provides nutrients to a developing embryo, passes wastes into the mother's blood for disposal and forms tissuses of both the mother and the embryo? A.) placenta B.) umbilical cord C.) amniotic or D.) all of the above

Facilitated diffusion can be described as the favorable movement of one solute down its concentration gradient being coupled with the unfavorable movement of a second solute up its concentration gradient. True or false?

Large blood vessels that carry blood away from the heart to body tissues are called

What packages proteins for the transport out of the cell

In one type of cell division, a single cell forms two new cells. This process is called mitosis. What reasoning describes why human skin cells frequently undergo mitosis?