Ecosystems
An ecosystem can be____.
A. A forest D. A pond
B. The ocean E. All above
C. A rotten Log
E. All above
Do physical changes to the environment affect all living things?
Yes or no
Yes
A dormouse becomes inactive in the winter. Its body doesn't use much energy. What is this called?
A. Feeding
B. Reproduction
C. Hibernation
D. Survival
C. Hibernation
1. What does a beaver build?
2. What do they use to build this?
1. Dam
2. Trees
How could rooftop gardens help BIRDS survive? (Choose all that apply)
A. People could get fresh fruits and vegetables from gardens.
B. The plants would give off oxygen to keep the air clean.
C. The gardens would keep the buildings below them cooler.
D. The plants would provide a habitat for the birds and insects.
B. The plants would give off oxygen to keep the air clean.
D. The plants would provide a habitat for the birds and insects.
Which are living parts of an ecosystem? ( Choose all that are correct)
A. Air
B. Plants
C. Rocks
D. Mushrooms
B. Plants
D. Mushrooms
How do forest fires affect the forest animals? ( Choose all that apply)
A. All animals die.
B.Some of the animals survive and reproduce.
C. Some animals move away to find food and shelter.
D. Some animals move into the changed environment.
B.Some of the animals survive and reproduce.
C. Some animals move away to find food and shelter.
D. Some animals move into the changed environment.
Which of these are ways an animal prepares for the coming winter? (Choose all that apply)
A. Bears grow a thick layer of body fat
B. Geese fly to a warmer location
C. Woodchucks hibernate
D. Robins build nests and lay eggs
A.Bears grow a thick layer of body fat
B. Geese fly to a warmer location
C. Woodchucks hibernate
A beaver builds a dam across a stream. The dam holds back water and forms a new pond. How will that change affect the plants and animals in that area? (Choose all that apply)
A. Populations of trees that live on dry ground will increase.
B. Populations of water plants such as cattails will increase.
C. Populations of frogs will decrease.
D. Populations of fish will increase.
B. Populations of water plants such as cattails will increase.
D. Populations of fish will increase.
People have built many new houses in a desert. Now there isn't enough habitat for the desert animals. How can people help the desert animals? (Choose all that apply)
A. Plant cactuses and other native plants in their yards.
B. Build dams to provide more water for the people in the house.
C. Set aside parks where the wild plants and animals can live.
D. Build roads through the desert so more people can see the animals.
A. Plant cactuses and other native plants in their yards.
C. Set aside parks where the wild plants and animals can live.
True or False:
A population is a group of the same type of living things
True
What is true about the effects on a forest ecosystem?
A. Everything that is burned dies.
B. All animals in ecosystem dies.
C. New growth occurs afterwards.
D. All animals are driven away for good.
C. New growth occurs afterwards ( Fires may enrich the soil and help new plants grow).
A habitat is __?
A. All the living and non living things in an area and the ways they interact.
B. The place where a plant or animal lives and gets everything it needs to survive.
B. The place where a plant or animal lives and gets everything it needs to survive
An animal that hunts other animals for food is a ___.
predator or prey
predator
A timber company cuts down most of the trees in a forest and now the forest plants and animals have nowhere to live. How could people help? (Choose all that apply)
A. Build houses where the forest once grew.
B. Plant young trees to replace the trees that were cut down.
C. Use the land to grow food for people in the cities.
D. Plant the kinds of trees that lived in the forest in town parks.
B. Plant young trees to replace the trees that were cut down.
D. Plant the kinds of trees that lived in the forest in town parks.
Open Ended: Define ecosystem using the words living and non living things.
An ecosystem is all the living and non living things in an area and the way they interact.
Open Ended: What might animals do during a season where food and water are hard to find?
Hint* This doesn't mean animals are sleeping
Migrate
What happens to the leaves on deciduous trees?
What happens to evergreens?
Deciduous tress shed their leaves.
Evergreens will keep their leaves/ branches.
An animal that is hunted and eaten by another animal is ____.
predator or prey
prey
What can people in a city do to improve the ecosystem for some of the wildlife?
A. Clear more land
B. Plant rooftop gardens
C. Pave more parking lots
D. Put plants inside buildings
B. Plant rooftop gardens
Open Ended: What is an organism's habitat?
The place where it gets everything it needs to survive
Open Ended: Explain what happens to grasses and water during dry seasons and rainy seasons.
During dry season grass and water dry up. While during rainy season grasses and water are easy to find.
Open Ended: Why do animals hibernate?
Enter a state of rest to conserve energy when food is hard to find.
Open Ended: What might happen to an animal's home when a beaver cuts down a tree?
Some animals might lose their home when a beaver cuts down a tree.
Open ended: How does the construction of buildings effect the ecosystem for animals living there? (Talk about the food and space for an animal)
It decreases the space and food available to the animals.