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STAAR Review - Ecosystems

Last updated 7 months ago
33 questions
1
_____________ – an organism that eats other organisms (plants and or animals) for food

_______________ – an organism that gets energy by feeding on dead materials and waste

______________ – to rely on someone or something else

______________ – a unit consisting of living organisms and the environment that they live in

____________ – the place where an organism lives; habitats supply the organism with food, shelter, moisture, and temperature for survival
Other Answer Choices:
Consumer
Ecosystem
Decomposer
Dependent
Habitat
1
_______________ – a representation of the flow of energy from the Sun through producers to consumers and decomposers in an ecosystem

_____________ – representation of overlapping food chains in an ecosystem; includes the flow of energy from the Sun through producers to consumers and decomposers through multiple pathways

___________________ – having too many people or organisms in a particular area, straining available resources and impacting the environment

___________________ – process by which producers / plants use the energy in sunlight to create their own food

_____________ – an organism that makes its own food (e.g., plants)
Other Answer Choices:
Food web
Food chain
Overpopulation
Producer
Photosynthesis
1

Select the three things that environments provide to animals and plants.

1

When beavers construct their dams, there are helpful effects and harmful effects to the habitat. Sort these effects as either helpful or harmful.

  • Aquatic species such as fish, turtles, and frogs will benefit from increased amounts of water.
  • Life downstream of the pond will suffer due to the decreased water flow in the stream caused by the dam.
  • Helpful Effects
  • Harmful Effects
1

Think of a prairie habitat with buffalo, deer, wolves, rabbits, and lots of grasses. What might happen in the ecosystem if the wolves were trapped and removed? Select all that are true.

1

If humans over-hunted a population of insect-eating birds, what immediate change would happen?

1

If humans cleared a forest and built homes , which of the following would happen to the forest?

1

A factory polluted the water supply in an area, what change can be observed in that ecosystem?

1

What is a negative result from bringing pigs to the Hawaiian rainforest ecosystem?

1
During the construction of a mall, a lake was filled in. This impacted organisms that - __________
1
Too many cows can be harmful to their ecosystem because they could - __________
1

How could beavers building a dam cause an increase in fish population? The dam -

1

How might removing the alligators from a swamp habitat create a decrease in vegetation?

1

A highway is built through a forest. How will this affect the organisms in the area?

1

Scientists found that raccoon populations increased where houses were built. Why is this?

1

Sort the items on the left to the matching definition on the right.

  • Extinction
  • Community
  • Environment
  • Invasive
  • A nonnative animal that moves into a new place
  • The space, condition, living and non-living things around an organism
  • A species or group of animals that disappear and are no longer found
  • Groups of plants and animals that live in the same area and interact with each other
1

Sort the items on the left to the matching definition on the right.

  • Omnivore
  • Consumer
  • Producer
  • An animal that eats both plants and animals
  • A plant that makes its own energy
  • Animals that do NOT make their own energy
1

Select all three of the following effects of deforestation in the Amazon Rain Forest.

1

Select all three effects of overgrazing.

1

Each of the following can result in reduction or contamination of aquifers except -

1

Overpopulation occurs when there are more organisms than environments can sustain. This -

1

Human interaction such as building roads, homes, and fences causes which of the following?

Select ALL that are true.

1

If all producers (plants) are removed from an environment what will be a logical result?

1

What is the effect of a new, stronger plant to an environment?

1

What happens when a new consumer is introduced into an environment?

1

What happens as humans destroy animals' environments?

1

Select all THREE of the following ways that humans negatively impact the environment.

1

Woodpeckers are native to Texas. Select all THREE of the negative impacts for Woodpeckers.

1

When human interaction in an environment occurs all of the following are options except

1

What happens when you remove prey from a grassland ecosystem?

1

Select the correct definition for each word.

The number will go down.
The number will go up.
Decrease
Increase
1

Humans are part of the ecosystem and therefore impact it. Which of the following events in an ecosystem may produce a negative effect?

1

Which of the following is a way humans can positively impact ecosystems?