1. Lesson Objective:
You will be able to identify biotic and abiotic factors in various ecosystems.

2. Kingdoms Quiz Review

4. What is an “ecosystem”?

5. Ecosystems:
Ecosystems includes the species in an area and the things they depend on.

7. Biotic Factors:
The living components of an ecosystem.

8. Abiotic Factors: The nonliving things in an ecosystem.
Include sunlight, temperature, water, soil, etc.

9. Biotic Factors
Abiotic Factors

10. Living and Non-living things interact in ecosystems.

11. Biotic or Abiotic?

17. Biotic factors are ______, while abiotic factors are _________
Biotic factors are ______, while abiotic factors are _________. A – Living, Living B – Living, Nonliving C – Nonliving, Living D – Nonliving, Nonliving

18. Which of the following is a description of an abiotic factor that makes up part of a desert habitat?
A – Growing cottonwood trees
B - Extremes of day and night temperatures
C - Few large predators, such as coyotes
D - Leafless, waxy-coated plant with sharp spines

19. Which of the following is a biotic/biotic interaction
Which of the following is a biotic/biotic interaction? A – A bear living in a cave. B – An earthworm digging in the soil. C – A bird eating a worm. D – A human absorbing sunlight.

20. Which of the following is a biotic/abiotic interaction
Which of the following is a biotic/abiotic interaction? A – A snake eating a mouse. B – A bird using a tree as a house. C – A plant storing water. D – A shark eating a fish.

21. Which of the following describes an interaction between a biotic factor and an abiotic factor?
A - A pair of birds build a nest in a tree.
B – A fish eats plants in a lake.
C – A squirrel sleeps under the ground during the winter.
D - A vulture eats the remains of a wild pig.

22. Partner Work