wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Interactions Within Ecosystems

Total questions: 35

Worksheet time: 26mins

Name
Class
Date
1.

Who's the one munching on others in the ecosystem party?

a)

Producer

b)

Consumer

2.

Imagine you're in a lush green forest, surrounded by all sorts of plants. If you were an organism that munched only on these plants, what would you be called?

a)

omnivore

b)

carnivore

c)

herbivore

d)

detriovore

3.

Imagine you're in a wild treasure hunt, but here's the twist: you're not alone! You and your rivals are racing to grab the same treasure. What do we call this intense race for a limited treasure, be it food, water, light, space, mates, or nesting sites in the natural world?

a)

competition

b)

predation

c)

limiting factor

d)

carrying capacity

4.

Which of these is classified as a living entity?

a)

decomposer

b)

ecosystem

c)

organism

d)

habitat

5.

Guess who's the solar power champion, turning sunlight into food?

a)

consumer

b)

producer

6.

Guess what? All the feeding relationships in an ecosystem have a special name. Can you pick it out?

a)

food web

b)

food chain

7.

Imagine you're an explorer in the vast ecosystem! What is that one thing, be it a living creature or a non-living element, that acts like a boss to control how many buddies can survive in a population?

a)

population

b)

limiting factor

c)

competition

d)

predation

8.

Imagine you're an explorer, journeying through a land where the weather changes at the drop of a hat, rocks form mazes, and the temperature can go from one extreme to another. What do we call these nonliving factors?

a)

abiotic

b)

biotic

9.

What's the Carrying Capacity?

a)

The ultimate number of bags you can lug in a single journey

b)

The biggest bunch of nuggets you can fit into a container

c)

The largest population that an environment can sustain

d)

The maximum chunk size of a candy bar in a king-size package

10.

You're an explorer in the world of biology! You've come across a unique group of organisms that are identical to each other but unlike any other group on Earth.

What term would you use to describe this group?

a)

individual

b)

species

c)

creature

d)

thing

11.

Living organisms and the products they produce are known as?

a)

biotic

b)

abiotic

12.

Guess the sequence! It's a lineup of organisms each having a snack, passing energy all the way up in an ecosystem.

a)

food web

b)

food chain

13.

Let's dive into the bustling world of a Population! Can you tell what it exactly means?

a)

All the living things in a specified area at one time

b)

All the individuals of one kind in a specified area at one time

c)

All the living and non-living things in a specified area at one time

d)

All the non-living things in a specified area at one time

14.

Imagine you're an explorer, journeying through a vast wilderness. In this adventure, you come across a bustling area where all sorts of creatures and plants are interacting. What do we call this lively gathering?

a)

population

b)

ecosystem

c)

community

d)

environment

15.

Guess what? Plants have their own kitchen! They whip up energy-rich meals using just water, carbon dioxide, and a splash of sunlight. What's this magical cooking process called?

a)

photosynthesis

b)

photography

c)

pyrogenics

d)

pigmentations

16.

Imagine you're an explorer, diving into a world where living creatures and the nonliving elements they interact with come together in one place. What do we call this vibrant, bustling area?

a)

population

b)

ecosystem

c)

environment

d)

community

17.

What do you call an adventurous eater who enjoys both leafy greens and a good steak?

a)

herbivore

b)

carnivore

c)

omnivore

18.

Imagine you're in a mystical forest, and you encounter a magical being that feasts on the remnants of fallen creatures, transforming all their essence into enchanting simple chemicals. What do you call this fantastical entity?

a)

producer

b)

decomposer

c)

consumer

19.

🌍🐛 Dive into the ecosystem! Which one of these is a living, breathing part of an ecosystem? 🌱🦠

a)

Water

b)

Temperature

c)

Bacteria

d)

Soil pH

20.

Who are the unsung heroes of the ecosystem, tirelessly breaking down the dead and recycling nutrients?

a)

They're the mighty oxygen producers through photosynthesis

b)

They're the hungry ones, munching on living plants and animals

c)

They're the decomposers, nature's recyclers

d)

They're the climate controllers, regulating ecosystem temperatures

21.

Imagine you're wandering through a dense forest and stumble upon a plant growing on the branch of a tree, not harming the tree but not benefiting it either. What type of symbiosis is this?

a)

Parasitism

b)

Mutualism

c)

Commensalism

d)

Competition

22.

During your exploration of a coral reef, you notice small fish cleaning the teeth of a much larger fish. The small fish get food, and the large fish gets dental care. What's this symbiotic relationship called?

a)

Mutualism

b)

Parasitism

c)

Commensalism

d)

Predation

23.
An organism that gets food by eating other organisms? 
a)
producer 
b)
consumer
c)
herbivore 
d)
decomposer 
24.
What are producers? 
a)
organisms that store extra food 
b)
organisms that make their own food
c)
breaks down dead organisms 
d)
decomposes nutrients 
25.
What is an organism that breaks down dead organisms and wastes to live and grown? 
a)
herbivore
b)
consumer
c)
producer 
d)
decomposer
26.
Most ecosystems have many food chains. What are food chains that overlap in an ecosystem and show feeding relationships? 
a)
unhealthy
b)
energy pyramid 
c)
food web
d)
matter
27.
What is an ecosystem? 
a)
producing food from sunlight
b)
animals that live in certain areas
c)
living and nonliving things that interact in an area
d)
a person who studies an environment
28.
All the members of one species that live within an area of an ecosystem is a?
a)
population
b)
community
c)
niche
29.
The different populations that interact with each other in the same area form?
a)
population
b)
community
c)
niche
30.
Which of the following is NOT a consumer?
a)
grass
b)
dog
c)
shark
d)
fish
31.
An organism that gets energy from eating other organisms is a ______________.
a)
producer
b)
consumer
c)
decomposer
d)
prey
32.
Different populations living and interacting with each other in the same area
a)
Biome
b)
Ecosystem
c)
Community
d)
Niche
33.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
34.

What is an example of a biotic factor?

a)

skunk

b)

rocks

c)

soil

d)

water

35.
Which option is abiotic?
a)
Plants
b)
Bacteria
c)
Water
d)
Fungi