If one plant has a very small tubular type of flower and cannot be pollinated by a large honeybee, it
may develop which type of prezygotic isolation?
a. behavioral isolation
b. ecological isolation
c. gametic isolation
d. mechanical isolation
e. temporal isolation
D
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Which of the following describes the difference between fungal endomycorrhizae and fungal endophytes?
A. Endomycorrhizae live inside fungi and provide them with nutrients and water, and endophytes live inside plants, often parasitizing them and slowly breaking down their structure. B. Endomycorrhizae form arbuscules that facilitate exchanges of water and food between the fungus and plant root cells, whereas endophytes invade plant cells and provide the plant with protective antibiotics and toxins. C. Endomycorrhizae are beneficial to its host plant but endophytes harm the host plant. D. Endomycorrhizae form arbuscules on plant roots that produce toxins killing parasitic nematodes, whereas endophytes assist in the transport of water through the plant. E. None of these are correct.
Discuss a number of actions that could limit the biotic potential of the yellowtail flounder
What will be an ideal response?
Why are eyespots ineffective at detecting images?
a. Eyespots cannot detect the direction of a light source. b. Eyespots cannot distinguish light intensity. c. Eyespots lack sensory cells. d. Eyespots lack lenses. e. Eyespots contain opaque lenses.
A wolf that feeds on moose and elk would be classified within which trophic level?
A. detritivore B. herbivore C. secondary carnivore D. primary carnivore E. primary producer