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

What do you know about The Amazon Rainforest?

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What is an “ecosystem”?

Ecosystems: Ecosystems includes the species in an area and the things they depend on. Link to a video: http://www.bbc.co.uk/nature/habitats/Tropical_and_subtropical_moist_broadleaf_forests#p006ry0k

Biotic Factors: The living components of an ecosystem.

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

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Biotic Factors Abiotic Factors

Prove you got it!!

Living and Non-living things interact in ecosystems!

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

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

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

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

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

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

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

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

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

Biotic or Abiotic?

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

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

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.

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.

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.

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