Alligators in wetland regions normally feed on animals such as shorebirds.
Shorebirds usually feed on small fish
and frogs to survive. Recently, scientists
released a large number of alligators

into a wetland region. Scientists expect
that as a result of this increase in the
alligator population, the population of
small fish and frogs will
A. remain about the same.
B. rapidly decrease.
C. become extinct.
D. notably increase.

Which of the following is an example of an environmental change the affected the evolution of life a. volcanic activity b. changes in climate c. mountain building d. all of the above

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

Astudent analyzed ears of corn that demonstrated two traits in the f2 kernels, purple or white colors and smooth on wrinkled shapes. a tabulation of 135 individual kernels gave the following results: purple and smooth = 75 white and smooth = 28 purple and wrinkled = 24 white and wrinkled = 8 what would be the only phenotype present in the f1 ger