A mutation arises in an individual that decreases its fitness. This means that this individual's
A. ability to migrate long distances will decrease.
B. probability of survival will decrease.
C. contribution to the gene pool of the next generation will decrease.
D. ability to find food will decrease.
E. likelihood of having healthy offspring will increase.
Answer: C
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Answer the following statements true (T) or false (F)
1. Skeletal muscle fibers have more than one nucleus. 2. order for something to be considered a skeleton, it must contain bone or some other hard substance. 3. Endoskeletons may be involved in directly protecting the body surface. 4. You would expect to find higher myoglobin levels in oxidative muscle fibers than in glycolytic muscle fibers.
The jawless vertebrates, referred to as agnathans, form a monophyletic group that includes an ancestor and all of its
descendants.
a. True b. False
The ____ system is responsible for filtering wastes from the blood
a. respiratory b. urinary c. digestive d. endocrine e. circulatory
Which of the following is NOT typically treated with penicillin?
A) serious wounds at risk for gas gangrene B) tularemia C) patients at risk for rheumatic fever D) puerperal sepsis E) rat-bite fever