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Lesson 3: Abiotic Factors in an Ecosystem - Background Research

Lesson 3: Abiotic Factors in an Ecosystem - Background Research

Assessment

Flashcard

Biology

9th 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 abiotic factors in an ecosystem?

Back

Abiotic factors are the non-living components of an ecosystem that influence living organisms, such as temperature, pH, salinity, and sunlight.

2.

FLASHCARD QUESTION

Front

How does ocean acidification occur?

Back

Ocean acidification occurs when CO2 from the atmosphere dissolves in seawater, forming carbonic acid, which lowers the pH of the ocean.

3.

FLASHCARD QUESTION

Front

What is the impact of acidification on sea urchins?

Back

Acidification makes the shells or spines of sea urchins thinner and weaker, affecting their survival and development.

4.

FLASHCARD QUESTION

Front

What is the relationship between CO2 levels and ocean pH?

Back

As CO2 levels increase, ocean pH decreases, leading to more acidic conditions.

5.

FLASHCARD QUESTION

Front

What is homeostasis in an ecosystem?

Back

Homeostasis is the ability of an ecosystem to maintain stable internal conditions despite external changes.

6.

FLASHCARD QUESTION

Front

What role do otters play in the ecosystem?

Back

Otters are predators that help control the population of sea urchins, which in turn affects the health of kelp forests.

7.

FLASHCARD QUESTION

Front

What is the significance of pH in marine ecosystems?

Back

pH is crucial for the health of marine organisms; it affects their ability to build shells and skeletons.

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