-Biology_Quarter_1_Practice.Exam

-Biology_Quarter_1_Practice.Exam

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 is the role of predators in an ecosystem?

Back

Predators help control the population of prey species, maintaining a balance in the ecosystem.

2.

FLASHCARD QUESTION

Front

What happens to prey populations when predators are removed?

Back

Prey populations can experience unlimited growth without predators to control their numbers.

3.

FLASHCARD QUESTION

Front

Define biodiversity.

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the number of species and their interactions.

4.

FLASHCARD QUESTION

Front

How can introducing new species affect biodiversity?

Back

Introducing new species can enhance biodiversity by adding to the variety of organisms in an ecosystem.

5.

FLASHCARD QUESTION

Front

What is competition in an ecosystem?

Back

Competition occurs when two or more species or individuals vie for the same resources, such as food, water, or space.

6.

FLASHCARD QUESTION

Front

Explain the concept of energy transfer in food chains.

Back

Energy transfer in food chains is inefficient; only about 10% of energy is passed from one trophic level to the next.

7.

FLASHCARD QUESTION

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, defined by how organisms obtain energy.

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