Muscles in animals are often found in pairs, because
a. muscles need to be able to both push and pull.
b. muscles can only push.
c. muscles can only produce a force as they relax.
d. muscles can only pull.

Which of these organisms have the greatest amount of cell specialized

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

What is the importance of having the us forest service, the bureau of land management, the us fish and wildlife service, and the national park service? to manage land resources for conservation and the development of natural resources to manage land resources for conservation and the development of urban areas to preserve historical landmarks and manage the development of urban areas to preserve historical landmarks and manage the development of rural areas