Biology, 16.05.2021 04:50, anniekwilbourne
Why is it important for nitrogen to be recycled in an ecosystem?
A. If nitrogen isn't recycled, there will be too much of it on Earth
B. Recycling nitrogen allows organisms to create more nitrogen
C. Recycling nitrogen allows organisms to create less nitrogen
D. The nitrogen cycle is a closed system, and recycling nitrogen is the only way to replenish it for an ecosystem
Answers: 2
Biology, 21.06.2019 21:00, natasniebow
Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria
Answers: 1
Biology, 22.06.2019 09:20, vince022503
Match the following items 1. rr 2. rr 3. identical alleles 4. unlike alleles 5. rr ()homozygous, recessive ()homozygous definition ()heterozygous, dominant cell ()heterozygous definition () homozygous, dominant cell
Answers: 2
Biology, 22.06.2019 11:00, erinolson07cats
What is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.
Answers: 2
Why is it important for nitrogen to be recycled in an ecosystem?
A. If nitrogen isn't recycled, the...
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