Ocean Acidification

Ocean Acidification

9th Grade

5 Qs

quiz-placeholder

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Ocean Acidification

Ocean Acidification

Assessment

Quiz

Biology

9th Grade

Practice Problem

Easy

NGSS
HS-ESS2-6, MS-LS2-4

Standards-aligned

Created by

Ferdinand Estrella

Used 2+ times

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What organisms are primarily affected by ocean acidification?

Sea turtles and whales

Oysters and corals

Seaweed and algae

Sharks and dolphins

Tags

NGSS.MS-LS2-4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do organisms like oysters and corals build their shells and skeletons?

Through photosynthesis

By consuming smaller shell-building organisms

By combining calcium and carbonate from seawater

By absorbing silicon from seawater

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to carbonate ions (CO32-) as ocean acidification increases?

They bond with excess oxygen

They bond with excess hydrogen

They become more stable

They increase in number

Tags

NGSS.HS-ESS2-6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are fewer carbonate ions available for calcifying organisms due to ocean acidification?

Because they bond with excess hydrogen

Because they are being used up by non-calcifying organisms

Because they evaporate into the atmosphere

Because they are converted into other compounds

Tags

NGSS.HS-ESS2-6

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What can happen to shells and skeletons of calcifying organisms if the pH of the ocean gets too low?

They can change color

They can grow larger

They become indestructible

They can begin to dissolve

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