9th Grade Ecological Climate Change Quizzes , Questions & Answers

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Corroding the Seas: Ocean Acidification Explained

This quiz features 20 questions about ocean acidification, a key issue related to climate change that affects marine life and ecosystems. Understanding concepts like carbon dioxide absorption, the impact on coral reefs, and the...

Questions: 20 | Attempts: 32 | Last updated: Mar 9, 2026

Sample Question 1
What is the primary chemical cause of the phenomenon known as ocean acidification?

Excess carbon dioxide (CO2) from the atmosphere dissolving into seawater

Oil spills from tankers in the Atlantic

Increased salt levels from melting glaciers

Industrial waste being dumped directly into the sea

Volcanic eruptions on the ocean floor

Sample Question 2
When carbon dioxide dissolves in the ocean, it reacts with water to form a weak acid called carbonic acid.

True

False

Sample Question 3
Which of the following organisms are most directly threatened by the process of ocean acidification explained in marine biology?

Corals

Oysters and Clams

Pteropods (sea butterflies)

Great White Sharks

Deep-sea Giant Squid

9th Grade Ecological Climate Change Quizzes , Questions & Answers

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