Illustrate how soil can be considered a part of all four of Earth's spheres
What will be an ideal response?
Answer: Soil is made of both geologic and biological materials. It also supports the growth of plants in the biosphere. Pore spaces in the soil are occupied by both air and water. Air and water are also required to weather debris necessary for soil development.
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In food chains, energy moves from one source to the next, resulting in a loss of usable chemical energy to the environment. What is typically the amount of chemical energy transferred between trophic levels?
A. 5% B. 10% C. 15% D. 90% E. 100%
Cnidarians exhibit bilateral symmetry, an advancement from the phylum Porifera. Indicate whether the statement is true or false
The elimination of a large proportion of species on Earth is called a(n) ________
Fill in the blank(s) with correct word
Predict future migration trends in the United States
What will be an ideal response?