Organisms and their environment B12 Flashcards
definition of trophic level
position of an animal in a food chain
4 trophic levels
producer, primary consumer, secondary consumer, predator
producer
organisms that make their own energy using the sun
consumers
organisms that feed on other organisms
decomposer
organisms that get energy from dead organisms and wastes
physical environment
non biological components. ex. water soil temperature
herbivore
only eats plants
carnivore
eats other animals
food chain
diagram that shows the transfer of energy
food web
network of connected food chains
ecosystem
unit containing all organisms and their environment interacting together in a given area
direction of energy flow
lower trophic levels to higher trophic levels
10% of the energy is transfer to the next trophic level why?
energy is used in movement, excreted and more in a form of MRS C GREN