What causes genetic drift?

Turbulent flow in humans is a major risk factor for atherosclerosis, the buildup of plaque on arterial endothelium.

A type of multicellular animal that consists of cells with little specialization is a tapeworm sponge bee jellyfish

Two muscles are required to move a bone. What happens inside muscles when they contract?

Which of the following is NOT one of the four major processes of respiration? A. oxygen-hemoglobin dissociation curve. B. pulmonary gas. C. exchange gas D. transport pulmonary. E. ventilation

1.) What is the most important source of energy that our body craves more than any other? 2.) What are the organelles in each cell that burn this energy?

Which of the following features would be most affected by weathering?

Other than water, what else expands when frozen?

The nitrogen cycle cannot exist without what

As they were examining joe in the er, joe was poked with a pin in a sequential pattern from his chest down to his abdomen. joe could feel the pinpricks until just inferior to his navel, but then nothing below that.

If curly hair is a dominant trait what are the parents in the pedigree