In a market economy, supply and demand are important because they a. are direct policy tools used by government agencies to regulate the economy. b. illustrate when an market is in equilibrium, but they are not helpful when a market is out of equilibrium. c. can be used to predict the impact on the economy of various events and policies. d. All of the above are correct.

For a to be healthy, it has to have lots of different kinds of plants and animals. all of the different types of plants and animals in an ecosystem. name four types of ecosystems from those listed in the video. b) c) d) most living things live here. all living things depend on how an ecosystem like a game of sticks? why should we build new buildings on existing land? name four extinct species from those listed in the video. b) c) d) the best way to wipe out a species is to the largest ecosystem in the world is this percent of the world is covered by water. how many of all species in the world live in the ocean? list five things you can do to increase biodiversity. b) c) d) e) how many species are we losing per hour?

Predict the results of a two base insertion or deletion in a strand of dna that codes for a protien, how does this differ from a three base insertion or deletion?

What is the compliment dna strand to the following sequence: ttgactaggcta