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STAAR Blitz Day 9 - Interdependence in Ecosystems

Last updated 7 months ago
11 questions
6

An ecosystem is composed of both biotic and abiotic factors. Identify each factor as biotic or abiotic.

  • Consumer
  • Water
  • Sunlight
  • Decomposer
  • Soil
  • Producer

  • Biotic

  • Abiotic

1

A pond ecosystem is shown.

Which observations in the pond ecosystem describe a biotic element interacting with another biotic element?

Select TWO correct answers.

1

Which observations describe a bird interacting with an abiotic factor?

Select TWO correct answers.

1

How does a deer, a biotic factor, interact with and depend on water, an abiotic factor, in the environment?

1

How does a sea turtle, a biotic factor, interact with abiotic factors to survive?

1

What interaction between two biotic factors might a student observe in a prairie ecosystem?

Answer the questions using the diagram.


Observations

1. A sea turtle buries eggs in the sand.
2. A mongoose eats a mango from a tree.
3. A fish swims in the water.
4. A rock is weathered by waves.
5. A sea urchin anchors itself to a rock.
6. A cleaner fish eats the parasites off of another fish.
2

Which observations describe biotic factors interacting with other biotic factors?

3

What abiotic factors are listed in the observation table?

1

How many observations describe biotic factors interacting with abiotic factors?

1

What is an interaction between a biotic factor and an abiotic factor that is not listed in the observation table?

1

Why are the abiotic factors in an ecosystem important?