Do SS Also Help Aphids?
What will be an ideal response?
-Acyrthosiphon pisum--pea aphid
--aphidius ervi--parasitic wasp
--ss effects on Parasitoid Larvae
more eggs in mean number found in H. defensa
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The electron carriers that are important in cellular respiration are
A) CO2 B) O2 C) NAD+ D) FAD
Which of the following is a tough polymer that resists chemical and biological degradation?
a. sporopollenin b. gynoecium c. sporangium d. strobili
Photoperiodism is the ____
a. duration of flowering in a plant b. amount of light needed by a plant to exhibit normal growth c. biological response of a plant to a change in the length of daylight relative to darkness d. light phase of photosynthesize during which photolysis of water occurs e. time of the day when light shines with the most intensity
Figure 17.9
The graph above shows the survival of sociable weavers as a function of body mass. Sociable weaver body mass seems to be an example of ____.
A. directional selection B. stabilizing selection C. sexual selection D. disruptive selection E. artificial selection