Our Planet- Coastal Seas

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Abiotic= non-living

Biotic= living

Sort the items into the correct category.

Groups:

(a) biotic

,

(b) abiotic

• water

• rocks

• manta rays

• anchovies

This video is going to focus on abiotic and biotic factors.

Abiotic= nonliving things

biotic=living things

You are expected to watch the video through 30 minutes for full credit. At that point, you can finish the video if you like.

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Sunlight is made of atoms, therefore it is

• biotic

• abiotic

The​ (a)   use the​ (b)   and​ (c)   to confuse the ​ (d)  

• biotic dolphins
• abiotic water
• abiotic mud
• biotic fish
• biotic
• abiotic
• abiotic dolphins
• biotic mud
• biotic water

Carbon dioxide is a molecule of carbon and oxygen, therefore it is

• biotic

• abiotic

Animals like turtles, fish, and coral, are all made of animal cells, therefore they are

• biotic

• abiotic

Overfishing has reduced Shark populations around the world by how much?

• 80%

• 90%

• 100%

• 70%

How do the sharks balance the ocean community?

• Sharks increase the number of fish species in the ocean.
• Sharks primarily feed on plankton and small marine plants.
• Sharks balance the ocean community by regulating prey populations and maintaining ecosystem health.
• Sharks have no impact on the ocean ecosystem.

Sunlight is an abiotic energy source. Sunlight provides heat. If the ocean gets too hot from the sun, the water warms. How will this affect the coral and other organism that live in the reef?

• Enhanced nutrient cycling in the ocean.
• Coral bleaching/death and stress to reef organisms.

• Increased fish population in the reef.
• Coral growth and reproduction.