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

2. What do you know about The Amazon Rainforest?

3. If this embedded video does not load, the link is https://www. youtube

4. What is an “ecosystem”?

5. Ecosystems:
Ecosystems includes the species in an area and the things they depend on.
Link to a video:

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

7. Abiotic Factors: The nonliving components of an ecosystem.
Include sunlight, temperature, water, soil, etc.

8. If this embedded video will not load, the link is https://www. youtube

9. Biotic Factors
Abiotic Factors

10. Prove you got it!!

11. Living and Non-living things interact in ecosystems!

12. What are the possible interactions taking place between the biotic and abiotic factors in this ecosystem?

13. Example: The scorpion (biotic) digs into the sand (abiotic) at night for protection!

14. Biotic Abiotic Abiotic Abiotic Biotic
The cacti and scorpion are biotic, while the sun, soil, mountains, and air are abiotic.
Abiotic
Biotic

15. What are the possible interactions taking place between the biotic and abiotic factors in this ecosystem?

16. Example: The moose (biotic) drinks the water (abiotic) from the river!

17. Abiotic
Biotic
Biotic
The moose, turtle, trees, shrubs, and grass are biotic while the water and the air are abiotic.

18. What are the possible interactions taking place between the biotic and abiotic factors in this ecosystem?

19. Example: The seaweed (biotic) uses the sand (abiotic) to grow!

20. Abiotic Biotic Abiotic Biotic Abiotic Biotic
The seaweed, walrus, and fish are biotic, while the rocks, sand, water, and air bubbles are abiotic.
Biotic

21. Biotic or Abiotic?

27. 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

28. Which of the following is an abiotic factor that could be a part of a desert ecosystem?
A – Plants that have sharp spines
B – Extremes of day and night temperatures
C – A herd of camels
D – Scorpions and centipedes

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

30. 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.

31. Which of the following describes an biotic/abiotic interaction in an ecosystem?
A – 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 dead animal.

32. Partner Work