Ecological Pyramids

Question 1

energy

Answer 1

the ability to do work, a property of objects which can be transferred to other objects or converted into different forms, but cannot be created or destroyed

Question 2

food web

Answer 2

the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community

Question 3

food chain

Answer 3

the sequence of transfers of matter and energy in the form of food from organism to organism

Question 4

trophic level

Answer 4

groups into which organisms are sorted according to their place in the food chain

Question 5

metabolic processes

Answer 5

the organic processes (in a cell or organism) that are necessary for life

Question 6

ecological pyramids

Answer 6

a graphical representation designed to show the biomass or bio-productivity at each trophic level in a given ecosystem

Question 7

biomass

Answer 7

the total mass of organisms at a trophic level