Genetic drift occurs when a population of organisms which normally don't travel great distances, like fruit flies, floats on a tree branch or piece of fruit across an ocean barrier to colonize a new location. TrueFalse

A "red-hot" bacterial infection of the intestinal tract irritates the intestinal cells and interferes with digestion. such a condition is often accompanied by diarrhea, which causes loss of body water.

Are bacteria and humans structured the same or different? Explain.

Which of the following factors most affects the rate at which waves erode land features along the shore?

Which sequence below correctly represents the five levels of organization from simplest to most complex?

A team of environmental biologists is studying the concentration of mercury in tilefish. They catch 200 tilefish in the same area in the Gulf of Mexico, and take muscle tissue samples from an identical site in each fish.

Two services the geosphere provides for living organisms?

Which statement best describes the term symbolism A. A writer says one thing but means something else. B. A writer compares one element to another using the words like or as • A writer uses an object to resent significant ideas or qualities. D.

The capacity of stm does not change during early childhood (false).

Darwin visited the Galapagos Islands while on a journey aboard the Beagle. Which observation led Darwin to start thinking about evolution?

Atlantic halibut is a species of flatfish that uses gills to extract dissolved gases from water for cellular respiration. During a storm, a population of halibut is carried down into a deeper layer of the ocean.