Which molecule absorbs the energy of a photon in photosynthesis?
What will be an ideal response?
chlorophyll
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Coral bleaching is a result of: a. the calcareous skeleton begins to breakdown
b. extended periods of run-off. c. pesticides from coastal developments. d. corals expelling their zooxanthellae.
The third line of defense against pathogens is also known as the primary response
a. true b. false
Male Mormon crickets choose larger females as their mates. Which of the following statements best interprets the graph? 
A. Larger females lay more eggs. B. Larger females live longer and thus produce more eggs. C. Larger females reproduce earlier than smaller females. D. Larger females are capable of storing sperm. E. Larger females defend themselves better.
Pelvic inflammatory disease is characterized by all the following except
A) a clear set of signs and symptoms that make diagnosis straightforward. B) can be caused by several types of bacterial pathogens. C) treatment with antibiotic therapy. D) increased risk for ectopic pregnancy. E) inflammation, swelling, or abscesses in the internal reproductive organs.