Ecologists are most likely to collect data when using which ecological method or methods?
a) observation
b) experimentation
c) modeling
d) observation and modeling
Ans: b) experimentation
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Astrobiology is considered a sub-discipline of microbiology because
A. microbes are known to exist on other planets. B. all extraterrestrials known are microbial. C. life elsewhere in the universe is likely to be microbial. D. only microbes can reproduce under the extreme conditions in outer space.
Which of the following is NOT possible for
incomplete flowers?
a. self-pollination b. attract pollinators c. form seeds d. form fruits e. all of these are possible for incomplete flowers
The unexpressed regions of split genes are called ________.
A. introns B. endons C. codons D. exons
Based on the size of the sagittal crests in these figures, which animal has the most powerful bite?
What will be an ideal response?