Biology, 12.07.2019 01:00 oscarmasinde44
In most stable freshwater environments, populations of daphnia are almost entirely female and reproduce asexually. however, males are observed in low oxygen environments or when food is scarce. based on these observations, a researcher suggests that male daphnia develop in response to unfavorable environmental conditions. this is an example of a:
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Biology, 21.06.2019 20:00
In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls
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Biology, 21.06.2019 21:30
The influenza virus cause the flu, but not other diseases. why?
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Biology, 21.06.2019 23:50
Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?
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The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that
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In most stable freshwater environments, populations of daphnia are almost entirely female and reprod...
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