Answer:
This succession is influenced by environmental factors such as soil type, water regimes, vegetation history, climate, and invasive species. Humans affect all of these factors. The human dimension introduces the greatest amount of unknown variability. Forest lands are under increasing development pressure.
Answer:
Zebra mussels are spread from one body of water to another by natural flow, carried on the feathers or feet of birds, or by humans in bait buckets or on boats.
Answer:
Voluntary muscles are muscles that you control; involuntary muscles are muscles that are controlled by the brain, etc and doesn't need your control in order to contract...
<span>involuntary responses are part of the autonomic system
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