If there aren't many plants,
A.herbivores won'tb have enough to eat
B.they will eat all the prey animals
C.the whole ecosystem will be in trouble
D.if people protect them
Animals won't have places to live
A.if people protect them.
B.if they don't get the sunlight they need.
C.if people damage their habitats.
D.if there aren't many plants
If there are too many predators,
A.herbivores won't have enough to eat.
B.they will eat all the prey animals.
C.producers will die.
D.polar bears will disappear
Rare plants and animals will survive
A.if people protect them.
B.if people damage their habitats.
C.if they don'y get the sunlight they need
D.if there are too many preys
If part of the food chain disappears,
A.people will eat all the prey animals.
B.the whole ecosystem will be in trouble.
C. carnivores won't have enough to eat.
D.animals will become producers.
If there__________________ enough sunlight, the plants won't grow
A.will be
B.are not
C.isn't
D.won't be
The mice will be hungry if they ________________enough plants to eat.
A.don't have
B.had
C.having
D.doesn't have
If the mice disappear, there ________________ enough food for snakes.
A.won't be
B.was
C.are
D.isn't
If there_______________any snakes, the owls will leave to find food somewhere else.
A.isn't
B.aren't
C.won't be
D.will be