Clumped dispersion is often influenced by all of the following except:a
the presence of family groups.
b. asexual reproduction in plants or invertebrates.
c. limited seed dispersal in plants.
d. a patchy distribution of resources.
e. nesting territoriality.
E
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Which of the following molecules is not considered a porphyrin?
A. Hemoglobin B. Peptidoglycan C. Vitamin B12 D. Chlorophyll
Young male white-crowned sparrows ____ appropriate song, which is related to _______
a. are born with; estrogen b. are born with; testosterone c. learn; neuron clusters in the testes d. learn; neuron clusters in the brain e. learn; estrogen
Match the reactant in the citric acid cycle on the left with the appropriate enzyme on the right
A) citrate synthase B) fumarate hydratase C) succinyl CoA synthetase D) aconitase E) malatase F) succinate dehydrogenase G) fumarate dehydrogenase H) malate dehydrogenase 1) oxaloacetate 2) malate 3) citrate 4) fumarate 5) succinyl CoA
Suppose that a woman with normal blood clotting mates with a man who also has normal blood clotting, and that their first child is a boy who has X-linked hemophilia. Which statement best predicts the outcomes of their mating?
a. All of the children will have hemophilia. b. None of the children should have hemophilia. c. All of the boys and half of the girls will have hemophilia. d. Half of the boys and none of the girls will have hemophilia.