Ecology is largely observational, is concerned with interactions between living organisms in their natural habitats, and is carried out in the field. By contrast, biochemistry is experimental, is concerned with interactions at the molecular level, and is carried out at the laboratory bench.
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Answer:
A compound microscope
Explanation:
A compound microscope is an instrument used to view the structure of the microscopic organism using the light source and the lenses.
The compound microscope contains an eyepiece which contains the ocular lens and the objective lenses n the nosepiece closer to the specimen.
To view the living organism of the ponds, a compound microscope especially a bright field microscope is used when the light from the lower portion brightens the sample and the object appears darker.
Thus, the compound microscope is the correct answer.
Explanation:
Phytoplankton, Zooplankton, Small Fish, Mammal
Phytoplanktons are the small photosynthetic organism that can produce their own feed and so are the producers in this food chain. Zooplanktons are small organisms incapable of producing their own food and eat phytoplanktons. Small fishes consume zooplanktons since due to their small size they are unable to eat bigger organisms. Mammals eat small fishes since they are omnivorer.
