Who is credited for articulating the conservation ethic and for founding the U. S. Forest Service?

A) Theodore Roosevelt

B) John Muir

C) Ralph Waldo Emerson

D) Gifford Pinchot

E) Aldo Leopold

A chromosomal change can have what kind of change on an organism.

How do oceanographers define salinity? A. Density of water B. Amount of nitrogen in water C. Temperature of water D. Amount of salt in water

Cellular material located outside the nucleus yet inside the plasma membrane is the

List characteristics that are not inherited but affect survival

Why does fitness depend on the environment?

Which describes John datiton observations of elements in any given compound

What is the difference between human cells and plants cells?

Rough-skinned newts and common garter snakes are in an "evolutionary arms race." In this phenomenon, two species continually evolve adaptations against one another to increase their own chance of survival.

A species of fish is found to require a certain water temperature, a particular oxygen content of the water, a particular depth, and a rocky substrate on the bottom to thrive. These requirements are part of its A) dimensional profile.

What process takes place in chloroplasts? A. cellular respiration B. digestion C. chromatography D. photosynthesis