What makes up an ecosystem?
a. living and nonliving things that interact
b. plants and animals
c. water, sunlight, and air
d. food chains and food webs
a. living and nonliving things that interact
100
What do carnivores eat?
only meat
100
What do all food chains start with?
a. grass
b. seeds
c. some type of plant (producer)
d. a small animal
c. some type of plant (producer)
100
How are food webs and food chains different?
Food webs are several food chains th at overlap.
100
What do decomposers digest?
a. cactus
b. insects
c. remains of dead plants and animals.
d. bread
c. remains of dead plants and animals
200
What are three nonliving parts of an ecosystem?
Any three: sunlight, air, water, climate, landforms, soil
200
What is a producer?
An organism that makes its own food
200
What direction do food chains flow?
In one direction
200
What would happen if one animal is removed from the food web due to disease?
The food web would change.
200
How do decomposers help the soil?
They put nutrients and minerals back into the soil. This helps plants grow.
300
Which two ecosystems get the most rain?
a. desert and grasslands
b. grasslands and tundra
c. grasslands and tropical rainforest
d. tropical rainforest and tundra
c. grasslands and tropical rainforest
300
Why are we consumers?
We have to eat food.
300
How is the energy from a plant transferred to a mountain lion since mountain lions do not eat plants?
A small animal eats the plant and the mountain lion eats the small animal.
300
Name an animal that is at the top of many food webs.
Lions, cheetahs, tigers, etc.
300
Name 2 decomposers
Any 2: insects, fungi, bacteria
400
What is the difference between a population and a community?
A population includes the same type of organism living in the same place at the same time.
A community includes ALL of the populations living in the same place at the same time.
400
Name 3 things an omnivore might eat.
Any 3 plants and animals.
400
What is the main source of energy for all things on earth?
sunlight
400
Just for kicks!! Flap your arms and bawk like a chicken for 5 seconds.
Did you do it??
400
Just for kicks! Do 10 jumping jacks.
Did you do it?
500
Name 2 niches a bird has in a forest.
Any two:
What the bird eats
How the bird gets its food
What predators the bird has
500
What is something a turkey vulture might eat? Why?
a dead animal because a turkey vulture is a scavenger.
500
Why would lions die or have to move if all of the plants died in their ecosystem?
If all of the plants died, animals that eat the plants would have to move or they would die. Lions would have no prey to eat.