The current mass extinction is said to be 100 to 1000 times above the background extinction rate
What does this mean? What will be an ideal response?
Extinctions are a natural event. At all times, species are going extinct and new species are evolving,
normally at a fairly balanced rate. During a mass extinction, the rate at which species go extinct is
more rapid. At present species are going extinct 100 to 1000 times faster than normal.
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Eating and digesting a candy bar for energy during a sports event is a good example of
a. catabolism. b. anabolism. c. converting kinetic energy into potential energy. d. metabolism. e. converting potential chemical energy into kinetic chemical energy.
Plasma is also called lymph.
Answer the following statement true (T) or false (F)
Which of the following is considered a housekeeping protein?
A. hemoglobin B. cortisol C. RNA polymerase D. an antibody E. insulin
Describe the physical factors involved in the layering of the oceans
What will be an ideal response?