Category: Science
Created by: tahira rafiq
Number of Blossarys: 5
In experiments, scientists create artificial situations to test the hypotheses because they cannot make the necessary observations under normal conditions. Hypotheses are accepted for as long as they ...
The zone lacking oxygen, muddy bottoms, and sediments with absolutely no oxygen are said to be anoxic. This anoxic zone has more organic material to decay and use up oxygen. Secondly, the flow of ...
Most midwater animals have evolved an even more effective way to mask their silhouettes. Their bioluminescent photophores, found mostly on their undersides, produce light that breaks up the ...
By-catch are the organisms that are caught unintentionally while fishing for other species. It is estimated that around 25% of the worldwide catch, roughly 25 million tons, is by-catch. The swordfish ...
Cold seeps are places, mostly along continental margins or in sediment-rich basins like the Gulf of Mexico, where hydrogen sulfide and methane produced by the decay of organic matter seep out from ...
Some bony fishes use color for camouflage, but others, particularly those living in the tropics, are among the most brightly colored animals in the sea. The colored pigments in bony fishes are mostly ...
A specific type of learning in which animals learns that when it performs a particular behaviour it gets a reward, usually a fish. Dolphins, killer whales, and pilot whales in captivity quickly learn ...