1. Aquatic algae
2. Aquatic ecosystems
3. Aquatic habitat
4. Aquatic mammals
definition:
(Of a plant or animal) growing or living in or near water:
sentence:
Aquatic algae can detect orange, green and blue light because they have receptors to detect light on the red and far red of the spectrum, which are the common wavelengths in the air.
Aquatic ecosystems are divided into two major groups: marine, or saltwater, and freshwater, also known as nonsaline.
If human consumption outpaces natural restoration, the quality and quantity of remaining aquatic habitat suffer
Aquatic mammals are well adapted to life in the water with physical characteristics such as flippers, webbed feet, paddlelike tails and streamlined bodies.
difficulty:
medium
toefl frequency:
3
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