Generally, large birds and seabirds live longer than small birds. Albatrosses live so long that it is hard to calculate their survival rates - they can live longer than the metal rings that identify them, and probably longer than most humans.
Food chain. Definition. A feeding hierarchy in which organisms in an ecosystem are grouped into trophic (nutritional) levels and are shown in a succession to represent the flow of food energy and the feeding relationships between them. Supplement.
A food chain traces the movement of energy flow from one organism to the next. A chain usually starts with an autotroph that converts energy from the sun into chemical energy â¦ (glucose). a food web is simply a chart, or diagram, showing which animals eat what. all food webs start with a plant, and then branch out showing wha â¦ t eats that plant, and what eats those animals, and what eats those animals... and so on....