Removing vegetation from a slope ___ the erosion of topsoil.

What best describes latitude? A. Distance north or south of the equator B. Distance north or south of the polar zone C. Distance east or west of the temperature zone D. Distance east or west of the equator

Which of the following is not a tissue type? A. Connective B. Epithelial C. Plasma D. Nerve

What is the name of a group of connected and related organisms? O A. Energy B. Matter O C. Flow O D. System

What type of protist is heterotrophic and includes species whose cells can come together to form a slug that moves to a new habitat?

An EMT is confronted by an armed gunman who is threatening to kill the EMT and his partner. An elevation in the EMT's heart rate and blood occurs in which stage of the body's response to stress?

Why might it be particularly beneficial for the giant spider crab to be so large?

In which stage of growth do plants rest or grow very little?

Scientists have debated the evolution of three life forms: reptiles, birds and dinosaurs. After many years of reviewing fossil records scientists proposed the evolutionary relationship seen above in the cladogram.

The PNS is divided into several subsystems. What two subsystems form the first major division of the PNS? sensory and motor somatic and autonomic parasympathetic and sympathetic CNS and brain

Consider the model of the food chain. Imagine there is a herbicide poison spill and all the grass is killed. How will this influence the food chain model? A) The grasshoppers will die out. B) All of the consumers will decrease.