4. Design two separate experiments that would directly test the hypothesis of the following scenario (neither experiment should rely on the results of the other experiment). Identify the control group, independent variable, and dependent variable. Hypothesis: The reduction in the enzyme cognitase results in impaired memory in mice.

Are produced in the light reactions and used in the calvin cycle. a)nadh and atp b)electrons and sugar c)nadt+ and adp d)sugar molecules

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?

Which sequence correctly shows the path of carbon dioxide during repiration?