Which of the following is the predominant leaf form of environments where the growing season is very short or where nutrient availability severely constrains photosynthesis and plant growth?
A) winter-deciduous leaves
B) drought-deciduous leaves
C) broadleaf evergreen leaves
D) needle-leaf evergreen leaves
D
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Which of the following molecules has the greatest potential energy?
A. ATP B. NADH C. NAD+ D. FAD E. FADH2
What feature of the island of Hawaii, after its
formation, most spurred the rapid speciation of colonizing birds? a. diversity of habitats b. lack of competitors c. climate conditions d. abundance of plant food sources e. abundance of insects for food
The percentage of different colored water boatmen (an aquatic insect) eaten by fish were graphed relative to the frequency of that color in different populations. Based on the graph, what conclusion can you draw?
A. Rare phenotypes will survive better due to positive-frequency selection. B. Common phenotypes will survive better due to negative-frequency selection. C. Common phenotypes will survive better due to positive-frequency selection. D. Rare phenotypes will survive better due to negative-frequency selection.
List the functions of the liver.
What will be an ideal response?