Although freshwater biomes cover less than 1% of the Earth's surface, they are important because ________.
A. they are home to lots of species
B. we depend on them for drinking water
C. they are the source of our irrigation for agriculture
D. All of the above are reasons why freshwater biomes are important.
Answer: D
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Organisms that feed on other organisms are known as _____ ______ ______ .
Fill in the blank(s) with the appropriate word(s).
Which fossil would you expect to be found in
the deepest layers of the Earth?
a. dinosaur b. monkeys c. frogs d. bacteria e. all of these would be at the same level
The atmosphere of early Earth is currently thought to have contained:a
methane, water, ammonia, nitrogen, and oxygen b. carbon dioxide, water, oxygen, nitrogen, and hydrogen c. carbon dioxide, ozone, nitric oxide, water, and hydrogen sulfide d. carbon dioxide, water, carbon monoxide, hydrogen, and nitrogen e. carbon dioxide, carbon monoxide, water, hydrogen, and nitric oxide
A (capsule/slime layer/matrix) is a type of glycocalyx that is firmly attached to the cell
What will be an ideal response?