Which of the following is a conceptual model that represents the flow of energy through an ecosystem?

A.

inheritance

B.

circulatory system

C.

infiltration

D.

food web

Which of these describes an item for which a change in its supply is proportional to a change in its price?

Sexually reproducing organisms are classified as a species if, under natural conditions they could do what?

Earth's atmosphere is almost 80 percent nitrogen gas, but plants cannot assimilate that form of nitrogen. In your own words, describe how nitrogen is able to be cycled through the environment.

Why can some websites be unreliable sources of information? Responses should contain at least three reasons.

Which two branches do the bureaucracy report to? explain

Which of the following underlying issues significantly increased the effects of the Hurricane Katrina catastrophe in New Orleans?

If a technologically advanced civilization in a nearby star system transmitted messages intended for us, how long would it take for the messages to reach us? A) a few minutes B) a few days C) several months D) several years

According to the unit, which of the following is one of the first steps in meal planning? Seeing what you already have on hand Asking friends what they think you should eat Choosing recipes that require a lot of unusual ingredients Making sure that

Famous dex or lil pump?

A person who can shift rapidly and easily from one learning pattern to another is a (n) student answer: dynamic learner. bridge learner. strong-willed learner. avoidance learner.