Comparative genomics helps us to understand evolutionary relationships between organisms
Indicate whether the statement is true or false.
Answer: TRUE
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In a wolf pack, the beta male
A) mates with all the females of the pack. B) is subordinate to the alpha female. C) is dominant over all members of the pack. D) is usually closely related to the alpha male.
What is the evolutionary significance of a flower that has large, brightly colored petals?
A) Such flowers produce only microspores or megaspores, not both. B) In general, these are aquatic plants, and water aids in their pollination, regardless of color and odor. C) Such plants are usually self-pollinators and do not rely on external factors for pollination. D) The wind is a significant factor in pollination, especially because of the large petals. E) These flowers attract pollinators that are animals.
In lakes, the nutrient-rich water near the shore, where primary producers are attached to the lake bottom, is part of the ____.
A. benthic zone B. abyssal zone C. limnetic zone D. littoral zone E. profundal zone
The basic function of activated T cells is to battle
A) pathogens in blood or lymph. B) pathogens in interstitial fluid. C) pathogens that have already entered body cells. D) chemical mediators of immunity.