Answer the following statements true (T) or false (F)
1. If resources are increased, carrying capacity increases.
2. K-selected populations reproduce quickly.
3. Exponential growth is rare because resources are usually limiting.
4. Slow-growing oak trees are r-selected compared to dandelions.
1. TRUE
2. FALSE
3. TRUE
4. FALSE
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The effects of global climate change are restricted to terrestrial environments
Indicate whether the statement is true or false.
Which of these is a direct source of energy for muscle contraction?
a. ATP. b. glycogen. c. glucose. d. fatty acids.
The famous Cambrian-era fossil deposit known as the Burgess Shale is now estimated to contain fossils of how many animal phyla?
A) None?animals had not appeared at the time. B) just two or three anatomically simple animal phyla C) about the same number as those alive today D) two or three times as many as alive today E) about half as many as are alive today
Protective membranes called meninges surround the spinal cord as well as the _________
Fill in the blank(s) with the appropriate word(s)