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    - Crystal Structure 6
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- Biology
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  - Genetics
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  - Evolution
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  - Ecology
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    - Food Chains 16
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    - Nutrient Cycles 13
    - Biodiversity 28
    - Ecological Conservation 47
    - Habitat 5
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  - Human Anatomy & Physiology
    - Skeletal System 116
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  - Botany Plant Biology
    - Plant Anatomy 38
    - Plant Morphology 5
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    - Photosynthesis 53
    - Plant Reproduction 22
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  - Zoology Animal Biology
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    - Fish 76
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    - Anatomy 16
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Exams & Certifications

8th Grade Ecology Quizzes, Questions & Answers

Recent Ecology Quizzes

Food, Inc Movie Quiz

Questions: 9 | Attempts: 278 | Last updated: Aug 22, 2025

Sample Question
Since the early days of the meat industry, how has agribusiness modified animals?

Today, animals are more sickly and diseased than they once were.

Animals such as cows can get diseases like E. Coli.

Farmers raise animals to be fatter and larger than they would be naturally.

Agribusiness has made animals healthier and less prone to diseases due to genetic modification.

In the early days of the meat industry, animals were healthier as well as skinnier.

3.2 Logistic & Exponential Growth

Questions: 5 | Attempts: 1397 | Last updated: Oct 16, 2025

Sample Question
A species of plant has exponential growth after it is introduced into an area where it has never been. Which statement best describes exponential growth?

Each individual plant grows much larger than usual.

The population immediately decreases.

Within a few years the population increases dramatically.

The species cannot reproduce as well in a new habitat.

Trivia Quiz On Ecology Nutrient Cycles and Succession!

Questions: 20 | Attempts: 242 | Last updated: Mar 21, 2025

Sample Question
In a nutrient cycle, nutrients are

Recycled constantly

Put in long term storage occasionally in nutrient "sinks"

Put in temporary storage in the bodies of organisms

All of the above

Food Chains Ecology Quiz

Questions: 18 | Attempts: 454 | Last updated: Mar 22, 2025

Sample Question
The name of the first trophic level in a food chain is.

Primary Consumer

Producer

Detritivore

A Quiz On Pond Ecosystem! Trivia

Questions: 10 | Attempts: 799 | Last updated: Mar 21, 2025

Sample Question
Using the following food web, which of the following would be considered a producer?

Grass

Sun moth

Beetles

Ants

Biomagnification Quiz: Test Your Ecology Knowledge

Questions: 10 | Attempts: 1751 | Last updated: Oct 22, 2025

Sample Question
What is the other way of saying "Biological Magnification"

Biological build-up

Biomultiplication

Bioaccumulation

Biological enlargenment

Deforestation Questions: Test Your GK! Quiz

Questions: 7 | Attempts: 373 | Last updated: Oct 3, 2025

Sample Question
Deforestation will most directly result in an immediate increase in:

Atmospheric carbon dioxide

Atmospheric ozone

Wildlife populations

Renewable resources

Bio Test 4 (Ch. 15)

Questions: 35 | Attempts: 174 | Last updated: Mar 14, 2025

Sample Question
A mature deciduous forest is cut down for timber, but new seedlings begin to appear the following year. This is an example of:

Primary succession

A climax community

Mutualism

Secondary succession

Logistic growth

Biology Chapter 3 Test

Questions: 30 | Attempts: 88 | Last updated: Oct 21, 2025

Sample Question
Which of the following natural events would most likely not result in secondary succession?

Flooding

Thunderstorm

Tsunami

Drought

Mono Lake and Ecosystem Test

Questions: 19 | Attempts: 362 | Last updated: Mar 21, 2025

Sample Question
A single living organism.

Individual

Population

Lonely

Community

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