Mutations:
A: occur at the same rate for all bases.
B: are always caused by mutagens.
C: are of no importance to evolution.
D: can arise from errors in DNA replication.
E: are always deleterious.
Ans: D: can arise from errors in DNA replication.
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No convincing fossil evidence exists for ____
a. evolution b. extinction c. Earth’s age d. catastrophism e. uniformitarianism
Children in the Southeastern United States play with red maple fruits (Acer rubrum). The fruits are tossed in the air and spin back to the ground, acting like small helicopters. Which part of the fruit allows for this?
A. The integument B. The endosperm C. The ovule D. The pericarp
Dandelions and tent caterpillars, which are r-strategists, are examples of opportunistic species that tend to move in high numbers and rapidly occupy new environments.
Answer the following statement true (T) or false (F)
Community-acquired MRSA is typically more virulent than health care-associated MRSA
Indicate whether the statement is true or false