Clearly explain how large-scale mass extinctions can actually lead to evolutionary opportunities
What will be an ideal response
In the event of large-scale mass extinctions, an enormous diversity of ecological niches become vacant. These open niches provide ecological, and therefore evolutionary, opportunities for which organisms can evolve adaptations.
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What is the leading source of renewable energy worldwide?
A. hydropower B. geothermal energy C. solar-cells D. biomass E. biodiesel
Sikh men have a distinct physical appearance because
A) they shave all their hair and are bald B) they dye their hair blue since it is a sacred color to Sikhs C) they engage in religious ceremonies where they ritualistically scar their faces D) they wear bright yellow and saffron robes E) they do not cut their hair or beards and wrap their hair in turbans
Areas of humid tropical climate generally have higher net primary productivity than areas of semiarid climate
Indicate whether the statement is true or false.
Clouds ____ the temperature of Earth's atmosphere due to reflection of solar radiation and ____ it due
to greenhouse re-radiation. a. raise; raise b. raise; lower c. lower; raise d. lower; lower e. Clouds have no impact on the temperature of Earth's atmosphere