aquatic food web

.g., tigers normally do not eat fish or crabs, but Sunderbans they are forced to feed on them in the absence of their natural pre..

Food Webs - In nature, the food and feeding relationships of plants and animals are rarely as simple as the examples of food chains described above, because many animals eat more than one kind of food. On this account, different kinds of food..

In nature, food chain relationships are not isolated. They are very complex, as one organism may form the food source of many organisms. Thus, instead of a simple linear food chain, there is a web like structure formed by these interlinked food..

Food Chain and Food Webs - "Food chain is a series of groups of organisms called trophic levels, in which, there is repeated eating and eaten by so as to transfer food energ..

"Food chain is a series of groups of organisms called trophic levels, in which, there is repeated eating and eaten by so as to transfer food energ..

Food chain is a series of groups of organisms called trophic levels, in which, there is repeated eating and eaten by so as to transfer food energ..

Whales Several members of the animal kingdom belong to this group. They may be fresh water or marine forms. Sponges, molluscs and Echinoderms are invertebrates that are aquatic. Amongst the vertebrates, fishes, whales and dolphins exhibit a number of adaptive features for their life in..

. Certain food chains may be very long and may extend to fourth, fifth or even higher order consumers. Food Chains in Aquatic Ecosystems In aquatic ecosystems of the biosphere, like fresh water ponds, lakes or sea, the food chain starts with microsc..

Ecological Balance - The environment in which the man and other organisms live is called the biosphere. The biosphere is made up of different regions that have different types of flora (plants) and fauna (animals). The types of organisms in an area are determined by various factors such as the clim..

According to Lamarck, the characters that an organism acquired due to a change in their environment such as long neck, webbed feet, flat bodies, etc. were passed on to the next generation. In this way, evolution from simpler to complex forms took place. However, this theory was not widel..