Coastal Ecosystems

New Caledonia Reef

Marine Ecosystem

Where is New Caledonia?

• New Caledonia is a group of islands off the coast of Australia (see picture)

• On the next slide, watch the video on the website to see what kinds of organisms are in this marine ecosystem.

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Read the article on the next slide to determine the important biotic and abiotic factors in this ecosystem.

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Multiple Choice

What are the important biotic factors in the ecosystem?

• Plants, animals, microbes

• Salt, dissolved oxygen, sunlight, temperature, nutrients

Multiple Choice

What are the important abiotic factors in the ecosystem?

• Plants, animals, microbes

• Salt, dissolved oxygen, sunlight, temperature, nutrients

Multiple Select

You just spotted an octopus during your scuba dive! Guess two aspects of its niche from the way it looks.

• Habitat: lives anchored to the bottom of the ocean.

• Habitat: swims around in seawater.

• Behavior: captures items with its tentacles

• Behavior: performs photosynthesis.

Adaptations of the Octopus

What type of STRUCTURAL (physical) and BEHAVIORAL adaptations do the octopus have? Watch the video on the next slide to find evidence. Be prepared to type out your answers.

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Open Ended

In complete sentences, describe some of the structural adaptations (physical body parts) that help the octopus to obtain resources, such as food.

Use evidence from the video.

Open Ended

In complete sentences, describe some of the behavioral adaptations (behaviors) that help the octopus to obtain resources, such as food or defending itself against predators.

Use evidence from the video, including explanations of scientific vocabulary you may have learned for these behaviors.