Prey gets killed by a...
predator
Difference between population and community
population- all of one type of organism
community- all the organisms in an ecosystem
what can destroy a stable ecosystem
natural disaster or fire
Difference between scavenger and decomposer
one eats leftovers of prey and one breaks down organisms and puts its nutrients in the ground
when a lake becomes a forest
What is ecological succession
What is the amount of a species that an ecosystem can hold
What is carrying capacity
Bringing in new species into an ecosystem vs removing it or killing it
invasive species and direct harvesting
the sun, oxygen, soil
What is an example of an abiotic factor
causes of ozone depletion
What are CFCs (can list products)
Nonrenewable resource that causes pollution
fossil fuel
both show to flow of energy
What is a food web and food chain
result of destruction of ozone shield
cancer, disruption of food chains
organisms specific role in an ecosystem
What is a niche
What type of pollution causes low ph levels in the water
acid rain
Difference between thermal pollution and toxic waste
One makes water warmer- less oxygen
one puts toxins in water and can harm animals and plants in water
why does the energy pyramid get smaller as it moves up the pyramid
Because 90% of energy gets used up or turned to heat at each level.
global warming can cause....
flooding, melting ice caps, disruption of food chains,