energy flow and food webs Flashcards
what are the two types of energy?
1.) kinetic (sun, thermal, battery, mechanical)
2.) chemical energy (nuclear, gravitational, magnetic)
different types of organisms:
- Producer → makes its own organic nutrients
- Consumer → gets its energy by feeding on other
organisms (herbivore, carnivore, omnivore) - Decomposer → gets its energy from dead or waste
organic materia
explain food chain
line-up of who eats whom in nature. shows the flow of energy from one organism to another.
explain food web
has interconnected food chains, and shows a more complex idea of a who eats whom situation. it clearly shows the reltionships between different organisms.
what is trophic level
is the position of an organism in a food chain, food web or
ecological pyramid.
what is pyramids of numbers
visual representation of the number of organisms at each level in a food chain or food web.
what is pyramids of biomass
visual way of showing how much living material (biomass) is present at each level in an ecosystem.