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Ecosystem Flashcards
Ecosystem Flashcards/ J.W. Alvey
35
Science
4th Grade
12/04/2007

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Cards

Term
What is an ecosystem
Definition
The living and nonliving things in an environment and their interactions
Term
An animal or plant's special role in their habitat is called their?
Definition
Niche
Term
"When a tadpole lives in the water and then on land when it becomes a frog, it is changing its?"
Definition
Niche
Term
Learned or instinctive behaviors are called what? An animal may change these to meet different needs.
Definition
behavioral adaptations
Term
"By passing laws to protect habitats, we can best help to?"
Definition
Protect and increase wildlife populations.
Term
Habitat destruction is the main reason that animals become?
Definition
endangered or threatened
Term
_______________ such as Bacteria break down dead trees to return material to the food chain.
Definition
Decomposers
Term
"Plant, tadpole, fish and snake describe what a _______________ might look like."
Definition
Food Chain
Term
What feature of an animals skull would it use to grind food?
Definition
Its teeth
Term
An adaptation is a certain body part or behavior that helps an animal do what?
Definition
Survive in its environment.
Term
A community is a group of organisms in one place that do what?
Definition
Live and interact together
Term
The energy that flows through the food web start with what?
Definition
The sun
Term
"An animals shape, color and special features or attributes such as the claws on a bear are called what?"
Definition
Structural adaptations
Term
"If one plant species disappears from its community, how would that community be affected."
Definition
There would be a decrease in the number of consumers
Term
"When a caterpillar becomes a butterfly, how is one way its niche changes?"
Definition
It now eats different food.
Term
"During their lives, plants and animals go through many stages, these stages are part of what?"
Definition
The life cycle
Term
An animal that is good at defending itself would probably have these structural adaptations
Definition
Sharp teeth and claws
Term
"In a dry area, a plant would do best there if it could?"
Definition
Hold water for a long time
Term
Name some things that a human could do that would not harm the ecosystem.
Definition
"Ride a bike, take pictures, or go for a walk."
Term
"All of the organisms in a community acting as produces, consumers and decomposers make up a what?"
Definition
Food web.
Term
"Even though an animal does not eat plants, they still depend on plants because?"
Definition
They eat animals that eat plants.
Term
Organisms depend on the ___________ of many other organisms in a community
Definition
Survival
Term
The area in which an animal lives its what?
Definition
Habitat
Term
"Food, water, shelter, and space are the things that an animal needs in their what?"
Definition
Habitat
Term
A niche can have how many organisms in it?
Definition
Only one
Term
What is a plant called in the food chain or web?
Definition
A producer.
Term
Leaned or instinctive behaviors are called what?
Definition
behavioral adaptations
Term
"What are the communities of organisms, and the niches that relate to each other within it?"
Definition
Ecosystems
Term
All living things have their life needs met within their
Definition
Ecosystems
Term
Ecosystems include all living and _______________ things.
Definition
Nonliving
Term
Human activity can have either a ________________ or ___________________ affect on an ecosystem.
Definition
Positive or negative
Term
"Conserving resources, using land wisely or using appropriate disposal are _______________activities."
Definition
Positive
Term
"Polluting, cutting down trees or habitat destruction are ______________ activities"
Definition
Negative
Term
What is passed from one organism to another when the first organism is eaten.
Definition
Energy
Term
The greatest amount of energy in a community is the __________________.
Definition
Producers
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