Ice covers the land surface in a polar ecosystem. Temperatures are very low. During half the year, there is little or no sunlight. Polar bears use layers of fat and thick fur to keep warm.
A Polar Ecosystem
100
An animal that gets energy by eating plants or other animals.
a) Consumer
b) Producer
c) Predator
A) Consumer
100
Two or more food chains that overlap
Food Web
100
A physical adaptation in which an animal protects itself by looking like another kind of animals or like a plant.
Mimicry
200
What is the loose material that is made of rock, minerals, and organic matter, and covers most of the Earth's surface?
Soil
200
Daytime temperatures are very high, little rain falls here,and the soil is poor and sandy. Plants have to adapt to these conditions. Many animals are active only at night when temperatures are lower.
A Desert Ecosystem
200
This type of animal helps plants make seeds by carrying pollen.
Pollinator
200
This organism eats only plants.
Herbivore
200
Some animals move to another area or region to survive when seasons change and food becomes scarce. This is called?
Migrate or migration
300
This is the broken down remains of plants and animals.
Organic Matter
300
In this ecosystem there is a lot of grassy land areas with few or no trees. There is more rain here than in the desert, but only a little more. Winters are cold. Summers are hot.
A Prairie Ecosystem
300
These organisms can make their own food by the process of photosynthesis.
Producers
300
I look for and eat the remains or waste of other animals that has been left over by the predators.
Scavengers
300
Preserved traces or remains of an organism that lived long ago.
Fossil
400
All members of one kind of an organism belong to a/n :
a) community
b) population
c) prairie
B. Population
400
It rains a lot here. It can be warm all year, and there is a lot of sunlight. Trees grow close together here providing shelter for many organisms.
Rainforest
400
All consumers in an ecosystem depend on ________for their food.
a) producers
b) other consumers
c) pollinators
d) seeds
A) Producers
400
I break down the remains of dead organisms. I am at the end of the food chain.
Decomposer
400
A scientist who studies fossils is a/an
paleontologist
500
By studying changes to the nonliving parts of an ecosystem, you can predict:
a) changes deep inside the Earth
b) changes to plants and animals in the ecosystem
c) changes to plants only
B. Changes to plants and animals in the ecosystem.
500
New York City's Central Park is this type of ecosystem. It usually has temperatures that are mild. It rarely gets very hot or very cold.
A temperate zone
500
When living things depend upon each other to meet their needs.
Interdependence
500
I am a tiny living thing. You will need a microscope to see me. Bacteria are my kind.
Microorganism
500
Each major division of the geologic time scale is called a/an
a) niche
b) era
c) extinct