Mangroves forests cover up to ________ percent of the Earth's coastlines
Fill in the blank(s) with correct word
70
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Based on the graph of the mixed culture, what can you determine about the niche for each
individual species?
a. There is a large amount of niche overlap. b. There is minimal niche overlap. c. Competition for resources is partitioning the available niches. d. Intraspecific competition is reducing niche overlap.
In the chemical shorthand, 14C, the 14 represents the number of ____
a. excess neutrons b. protons plus neutrons c. electrons d. protons plus electrons e. radioactive particles
Which statement concerning REM sleep is true?
a. During the REM stage, delta waves are emitted. b. Most people spend almost all of their sleep time in the REM stage. c. The preoptic area of the hypothalamus stimulates REM sleep. d. During REM sleep, blood flow to the entire brain decreases. e. REM sleep is absolutely necessary, as a lack of this stage causes anxiety and irritability.
Which of the following is NOT included in the MALT?
A) the appendix B) the spleen C) Peyer's patches D) lymphoid tissue in the respiratory tract E) lymphoid tissue in the small intestine