Marine Life and Ecosystem Dynamics

Marine Life and Ecosystem Dynamics

Assessment

Interactive Video

Biology

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video explores the critical role of the ocean and sea ice in sustaining diverse Arctic wildlife, including spectacled eiders, ringed seals, and walruses. It highlights the unique adaptations of these species to their icy environments and the potential impacts of climate change on their habitats and survival. The importance of ice in the marine food web and the challenges posed by decreasing ice and snow cover are also discussed.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role does the ocean play in our lives according to the video?

It provides all our food.

It is a source of fresh water.

It influences our language and life rhythm.

It is a place for recreational activities.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are spectacled eiders considered vulnerable?

They cannot fly long distances.

Their populations have decreased significantly.

Their wintering behavior is unknown.

They have a limited diet.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does living on ice benefit spectacled eiders?

It keeps them warm.

It helps them conserve energy.

It allows them to avoid predators.

It provides them with more food.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary threat to ringed seals as mentioned in the video?

Increased predation by polar bears.

Pollution in the ocean.

Decreasing snow cover.

Lack of food supply.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do walruses find their food?

By using their whiskers to filter through sediments.

By diving deep into the ocean.

By following other marine animals.

By scavenging on the seafloor.