8.E.1.2 Review

8.E.1.2 Review

Assessment

Flashcard

Science

8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What are hydrothermal vents?

Back

Hydrothermal vents are openings in the seafloor that emit heated water rich in minerals, providing a unique ecosystem that supports various marine life.

2.

FLASHCARD QUESTION

Front

What is the role of dissolved gases in ocean water?

Back

Dissolved gases, primarily oxygen and carbon dioxide, are crucial for marine life; oxygen is used for respiration, while carbon dioxide is utilized by photosynthetic organisms.

3.

FLASHCARD QUESTION

Front

What is upwelling in oceanography?

Back

Upwelling is the process where deep, nutrient-rich water rises to the surface, supporting high productivity and large populations of marine organisms.

4.

FLASHCARD QUESTION

Front

What is phytoplankton?

Back

Phytoplankton are microscopic plants that form the base of the marine food web, using photosynthesis to convert sunlight into energy.

5.

FLASHCARD QUESTION

Front

What is the surface zone of the ocean?

Back

The surface zone is the upper layer of the ocean where temperature is most affected by weather, typically warmer and well-lit, supporting diverse marine life.

6.

FLASHCARD QUESTION

Front

What is the significance of cold water temperatures in the deep ocean?

Back

Cold water temperatures in the deep ocean help maintain stable conditions for unique ecosystems, but they are not the primary support for life compared to hydrothermal vents.

7.

FLASHCARD QUESTION

Front

What is the impact of extreme water pressure on deep-sea organisms?

Back

Extreme water pressure in the deep ocean affects the physiology of organisms, leading to adaptations such as flexible bodies and specialized cellular structures.

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