1-a species of marine snails have either solid or striped shells. scientists found that 57 percent of the snail population was striped, and 33 percent was solid. sea birds are the main predator and when scientists studied their diet, they found that the birds ate more striped snails than solid snails. what could scientists conclude about the snails? birds preferred the solid snails. rates of predation determine shell pattern. the shell pattern is due only to environmental variation. there may be other factors in the ecosystem that favor striped snails. question 4(multiple choice worth 3 points) 2- in 1989, the exxon valdez spilled nearly 42,000,000 liters of oil into prince william sound, alaska. how would this spill be classified? abiotic environmental biotic environmental genetic pathogenic
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Biology, 22.06.2019 00:50
When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal
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Biology, 22.06.2019 05:10
1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?
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Biology, 22.06.2019 05:20
The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind
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1-a species of marine snails have either solid or striped shells. scientists found that 57 percent o...
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