Which of the following is a type of nekton? shark zooplankton bacteria sea star

shark

Nekton is term which defines pelagic animals that can swim independently in the water currents. It includes three phylla of animals.

1. Vertebrates: These animals exhibit bones and cartilages. This includes species of bony and cartilaginous fishes such as sharks, reptiles like turtles, snakes and crocodiles.

2. Mollusks: This includes squids, octopus and scallops.

3. Crustaceans: This includes shrimps, crabs, and lobsters.

On the basis of above information, shark is the only nekton among the given examples.

the answer will be a) proteins i believe

there are mainly three domains in biological classification namely; archaea, bacteria, and eukarya.

archaea includes all the prokaryotic cells which are characterized by their lipid membranes. they have branched hydrocarbon which is attached to glycerol through an ether linkage.

bacteria includes all the prokaryotic cells, the cell membrane of which are made up of the unbranched fatty acid chain. in addition, they are attached to glycerol through an ester bond.

eukarya includes all the eukaryotic cells, that is, the cells contain a nucleus and other membrane-bound cell organelles.

they can be autotrophic as well as heterotrophic, unicellular as well as multicellular

they include kingdoms like protista, plantae, animalia, fungi et cetera.

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