Why do the planets not travel in a straight path?
a.) the forces of inertia and gravity cause them to move in a elliptical orbit around earth.
b.) the forces of inertia cause the planets to move in curved paths around the sun.
c.) the forces of gravity and inertia combine to produced elliptical orbits around the sun.
d.) all of the above

Which image shows labeled organelles that are present only in plant cells?

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species