Standard 3a Students
know ecosystems can be characterized by their living and nonliving
Last week you
learned how decomposers break down dead material, and you learned that
most bacteria is helpful.
Which of the
following is an example of a helpful effect of a microorganism.
fermenting of yogurt evaporating water falling acorns
of the following is a characteristic of most bacteria?
cause some plants to make nitrogen live off already dead tissue damage or kill living body cells
2. What is a biome?
biome is a large
geographical area with
a certain climate. For example, a
desert biome has very little rain. The plants and
animals that are able to live in that place
with its particular climate have adapted in different ways to
the amounts of water, heat, and soil in that area.
All the living things on Earth
The living and nonliving things in a particular place The living things found in a particular place
4. What is a habitat?
organism has its own habitat. A
habitat supplies it
with everything it needs to survive - food, water, and a home.
The habitat is part of the ecosystem.
Here is one way to think about all these words.
is like the town where an animal lives
is like the neighborhood
is like its house
4. Can animals and
plants survive anywhere?
plants and animals depend on each other, it is important their environment
has the right kind of animals and plants. If you put a desert
tortoise in the arctic it wouldn't survive. It wouldn't have the
right food and climate to live. Each ecosystem has its own
special plants and animals. They live there because it has the
right conditions for them to thrive.