Which factor causes the shapes of saturated and unsaturated fatty acids to differ? a. number of oxygen atoms attached to each carbon atom b. number of single covalent bonds between carbon atoms c. number of double covalent bonds between carbon atoms d. number of carbon atoms in the carbon chain

Aeukaryotic cell must be from a plant if the cell a) a nucleus b) a nuclear envelope c) cytoplasm d) a cell wall

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

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?