Zooplankton are small animals that live in water. They are generally weak swimmers and range in size from 2 micrometers to 8 inches long; they also live close to the surface. More »

The types of zooplankton according to size are picoplankton, nanoplankton, microplankton, mesoplankton, macroplankton and megaplankton. The types of zooplankton according to stage of development are meroplankton and holo... More »

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Zooplankton eat other forms of plankton. They are microscopic animals that must consume organisms smaller than themselves for energy. Zooplankton are generally found in surface waters of oceans. Some are larval stages of... More »

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Scientifically, plankton are either referred to as phytoplankton (plant plankton), or zooplankton (animal plankton). Phytoplankton are smaller than zooplankton, and a basic food source for many animals in the ocean, incl... More »

The main difference between zooplankton and phytoplankton is that phytoplankton has the ability to manufacture its own food through photosynthesis or chemosynthesis. Zooplanktons are incapable of making their own food. Z... More »

Coral is formed by small animals called coral polyps, which are related to sea anemones and jellyfish. Coral polyps extract calcium from seawater and then convert that calcium into limestone shelters, which eventually be... More »

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The three inputs of photosynthesis are carbon dioxide, water and sunlight. During photosynthesis, plants used the sun's energy to change water and carbon dioxide into glucose, a carbohydrate energy source. Oxygen, a by-p... More »