there is recycling of matter

energy flows in the ecosystem

animals interact in food chains and food webs

all the answers are valid

major change in ecosystems because fires , blizzards, droughts

when animals go extinct in an ecosystem

when there are species adapting to the environment (natural selection)

TRUE

FALSE

because all species go extinct

populations and communities become more adapted to changes

because more biodiversity is more different species that can be resistant

maybe some plants species survive

all the plants species die

some species will become resistant and survive