Which of the following statements is true?
1.both unicellular and multicellular organisms are at risk of having too much water entering their cells if they are exposed to water containing no salts.
2.only multicellular organisms have structures that enable them to regulate excess water entering their cells.
3.unicellular organisms can protect themselves against too much water uptake by closing their membrane channels that allow water transport.
4.unicellular organisms, but not multicellular organisms, must deal with the movement of water by osmosis across their cell membranes

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 of the following is an example of competition that could be found in a forest? question 14 options: deer eat berries and their droppings seed new areas creating more berry bushes two fox populations utilize the same rabbit population as their main food source two hawk populations utilize the same scorpion population as their main food source lack of sunlight due to changes in the seasons restricts the growth of certain plants

What occurs to the cell during mitosis