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A tree is what type of factor in an ecosystem
biotic
what do decomposers do in an ecosystem
break down dead matter
carbon cycle
condensation is part of which cycle
water cycle
producer
primary consumer
secondary consumer
tertiary consumer
secondary consumer
dirt is what type of factor in an ecosystem
abiotic
which diagram or model shows how energy flows in an ecosystem
food web
what would likely decrease if producers were removed from the food web
primary consumers
what role do consumers play in the ecosystem
eat other organisms
how does deforestation affect an ecosystem
it reduces the number of producers
what process in the water cycle involves water vapor turning into liquid
condensation
what is the main source of energy for producers
sunlight
why does each level in an energy pyramid have less energy than the level below it
energy is lost as heat
which level of a food pyramid contains the most energy
producers
several overlapping food chains
what cycle includes photosynthesis and respiration
carbon cycle
which of the following is an example of a primary consumer: deer or tree
deer
what process in the nitrogen cycle makes nitrogen usable by plants
nitrogen fixation
What causes deforestation
humans
What does combustion do
adds carbon dioxide to the air
a tree is what kind of organism:
producer
consumer
producer
what type of organism eats both plants and animals
omnivore
decomposer
what happens to matter in ecosystems
it cycles between living and nonliving things.
what happens to the population size as you move up the energy pyramid
it decreases