Biology, 07.07.2019 11:30 samueltaye
Afood chain is a model that represents how energy and matter are transferred through an ecosystem. typically, a food chain has five or fewer links because a. no organism exists that eats more than five types of food. b. there are only three categories of organism—producers, consumers, and decomposes. c. the amount of energy available decreases with the addition of each link. d. humans are the top predators and are always the fifth link.
Answers: 2
Biology, 22.06.2019 01:40
Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat
Answers: 1
Biology, 22.06.2019 21:50
Select the correct answer. which of the following statements is a scientific claim? a. the early solar system had large amounts of water; so, the oldest objects in the solar system should also be abundant in water. b. the mass of the universe is much greater than current models predict; it is not possible to explain this inconsistency. c. planet earth is abundant in water, but there is no way to scientifically determine from where earth's water originated. d. earth is shaped like a sphere even if not all of the scientific observations related to its shape support this idea.
Answers: 1
Afood chain is a model that represents how energy and matter are transferred through an ecosystem. t...
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