This is an organelle containing chlorophyll in which most autotrophs transform light energy into chemical energy.

Why would damage to the nervous tissue in the spinal cord lead to paralysis?

Skulls of Homo sapiens were found during an excavation. The skulls were preserved because the bodies were frozen. So, these fossils are (1) fossils. (1) A. Mineralized B. Mold C. Original-tissue

While on vacation, you visit a marine protected area and notice that some rules are not being enforced. People are fishing without permits and dumping trash overboard.

Why do the temperatures and weather NOT change constantly in response to the changing position of the earth in relation to the sun?

How does studying the DNA of different types of organisms provide evidence that all life on earth is related?

What are the three types of Spatial Distribution?

Charles Darwin observed an orchid flower with very long, thin tubes that prevent many species from feeding on flower nectar and pollinating the flower.

What must you know to solve Kepler's third law, the law of periods?

What shows the movement of energy (in the form of food) from one organism to another?

What are two enviromental conditions that can cause a seed to become dormant?