Which of the following defines adaptation?
a. activity that can be observed
b. gathering evidence through observation and experimentation
c. something that is changed or modified to meet new conditions or needs
d. the scientific study of the mind and behavior

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u. s. fish and wildlife service

During convection, less dense fluid rises and denser fluid sinks.

If there are 350 trout found in 200 square feet of a pond measuring 1000 square feet what is the estimated trout population of the pond? a. 1350 b. 1550 c. 1750 d. 2000