Meeting Needs
Name 3 things animals must have to survive.
Food, water, and shelter.
Air is also accepted.
Deforestation is taking place in the rain forest. Tell 2 ways this is harmful to the ecosystem.
Animals are losing their homes; we are losing trees that make oxygen; and the soil may be washed away
Explain how beavers may change their environment.
They cut down trees to build a lodge
Explain how a food chain works.
A large animal eats a medium sized animal and the medium sized animal eats a small animal
Explain why green plants need sunlight. Hint: photosynthesis
To make their own food
True or False You can find a desert ecosystem in the Unites States.
True
Explain what might happen if a human dumps chemicals into or pollutes a river.
Kill the plants and animals
What are 2 examples of a slow change?
Erosion, ice ages, pollution
An artic fox is white in the winter and darker in the summer. Explain how this helps it survive.
It is camouflaged and blends in with its surroundings.
A bird might do this in the winter when it cannot find enough to eat.
Fly south or migrate
We cut down many trees to make paper or build homes. Explain what humans can do to be more responsible with this natural resource.
Recycle or replant trees
What are 3 examples of rapid changes to the environment?
Deforestation
Volcanic eruptions
Earthquakes
Floods
How could you tell a plant is adapted for a desert ecosystem?
Flat leaves
Thick stems to store water
A home for plants and animals where their needs are met
A habitat
Explain why a freshwater fish could not live in an ocean ecosystem.
It is not adapted to live in salt water
What is an activity that is very harmful to the air?
Burning coal
Factories
What is open-pit mining?
Getting minerals from an open pit in the ground. This damages the ecosystem.
What is an invasive species?
Kudzu vine and burmese pythons are examples of these.
A non-native species that is harmful to the native plants/animals.
Some types of squirrels hibernate. Other squirrels do this so they have enough to eat during the winter.
Store or collect nuts
Name 2 differences between a forest ecosystem and a rain forest.
Different locations, different weather, different temperatures, different plants, different animals
Some animals are endangered. Explain what might happen if humans don't help protect these animals.
They may become extinct
Many desert plants have roots close to the surface of the ground. Explain how this is helpful in the hot, dry desert.
Roots quickly suck up the rain
Explain what might happen if an animal could not get its needs met in its environment.
It would die, adapt, or it would have to find another home