Which term describes new ecological opportunities that were not exploited by an ancestral organism?

a. hybrid zones
b. fusion zones
c. stability zones
d. adaptive zones
e. reinforcement zones


d

Biology & Microbiology

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Which of the following is themuscle protein that binds and stores oxygen to maintain aerobic conditions in actively contracting muscle?

A. hemoglobin B. myoglobin C. troponin D. calmodulin

Biology & Microbiology

A monophyletic group has how many common ancestors?

a. one b. two

c. three d. many e. it is variable

Biology & Microbiology

All EXCEPT which of the following has an effect on

seed germination? a. moisture b. temperature c. carbon dioxide d. number of daylight hours e. oxygen

Biology & Microbiology

The 2+ in Cu2+ tells us that this atom ________

A) has two more neutrons than protons B) has two more protons than electrons C) has two more electrons than neutrons D) has two more electrons than protons

Biology & Microbiology