NEW
Font size
S
M
L
XL
WorksheetsChatfield's Ecosystems Review Quiz
Total questions: 45
Worksheet time: 25mins
Name
Class
Date
1.
Which best explains why many kinds of plants and animals can live together in an ecosystem?
a)
The plants and animals are all part of a food chain and depend on each other to live.
b)
Plants and animals are interdependent of one another.
c)
One species may overpopulate, killing all plant life.
d)
Over population of a species results in a biodiversity.
2.
A __________ includes all living and non-living things in an environment.
a)
population
b)
niche
c)
abitotic
d)
ecosystem
3.
_______ factors are all living things located within an ecosystem.
a)
biotic
b)
abitotic
c)
biome
d)
niche
4.
_______ factors include all nonliving things located within an ecosystem.
a)
community
b)
abiotic
c)
bitoic
d)
ecoystems
5.
_______ are consumers that eat mainly meat.
a)
Herbivore
b)
Omnivore
c)
Carnivore
6.
________ are consumers that eat plants and meat.
a)
Herbivore
b)
Omnivore
c)
Carnivore
7.
An organism who eats dead animals and plants is called a ________.
a)
Decomposer
b)
Carnivore
c)
Scavenger
8.
Which is a freshwater ecosystem?
a)
lake
b)
estuary
c)
salt marsh
d)
ocean
9.
An ecosystem contains ferns, rabbits, and many trees. Which BEST describes this ecosystem?
a)
aquatic ecosystem
b)
grassland ecosystem
c)
lake ecosystem
d)
forest ecosystem
10.
Which type of organism eats mainly animals?
a)
omnivore
b)
herbivore
c)
carnivore
d)
producer
11.
Which of the following is produced by photosynthesis?
a)
water
b)
Food energy (sugar)
c)
sunlight
d)
carbon dioxide
12.
Which group do fungi, bacteria, and termites belong to?
a)
decomposers
b)
producers
c)
herbivores
d)
omnivores
13.
Which organism make their own food through the process of photosynthesis?
a)
decomposer
b)
consumer
c)
herbivore
d)
producer
14.
What is needed for plants to produce sugar?
a)
water, sunlight, carbon dioxide
b)
water, sunlight, oxygen
c)
water, sunlight, nitrogen
15.
Field mice eat corn. Which would most likely happen if the field mouse population grew?
a)
There would be more corn to feed the field mice.
b)
There would be less corn due to the mice eating it.
c)
The habitat would get overpopulated because the mice woudl eat too much.
16.
Which organism recieves its energy from the sun?
a)
a bee
b)
a cat
c)
a tree
d)
a grasshopper
17.
Which is a difference between abiotic and biotic factors?
a)
abiotic factors are plants and biotic factors are animals
b)
biotic factors are plants and abiotic factors are animals
c)
abiotic factors are all living things and biotic factors are all nonliving things
d)
abiotic factors are all nonliving things and biotic factors are all living things
18.
Which organism would be eaten last in a food chain?
a)
producer
b)
decomposer
c)
first-order consumer
d)
second-order consumer
19.
Which food chain below is stated correctly?
a)
rabbit-grasshopper-plant-eagle
b)
plant-rabbit-grasshopper-eagle
c)
plant-grasshopper-rabbit-eagle
20.
Which describes a decomposer?
a)
an organism that eats only plants
b)
an organism that makes its own food
c)
an organism that breaks down dead matter
d)
an organism that recieves energy from the sun
21.
Which best explains why producers are at the beginning of all food chains?
a)
They turn dead animals into nutrients
b)
They provide shelter for smaller animals
c)
The transfer energy from the sun into food
22.
What are the nonliving parts of the ecosystem? This includes temperature, water, sunlight, air, and soil.
a)
biotic factors
b)
communities
c)
abiotic factors
d)
microorganisms
23.
If the population of prey increases, the population of predators will ________because of the availability of food.
a)
decrease
b)
stay the same
c)
increase
24.
As shown in this foodweb, which of these is NOT an omnivore?
a)
The grouse
b)
The grizzly bear
c)
They are all omnivores
d)
The marmot
25.
What are all members of one kind of organism that live in a particular area?
a)
population
b)
microrganisms
c)
community
d)
environment
26.
What is a group of different populations of organisms?
a)
habitat
b)
microorganisms
c)
biotic factors
d)
communities
27.
What are interconnected food chains called?
a)
consumers
b)
predators
c)
food web
28.
What is a series of plants and animals in which each organism is a source of food for the next in the series?
a)
food chain
b)
food web
c)
food link
d)
connection
29.
A ______ is the organism that usually causes harm to the _______ without immediately killing it.
a)
decomposer, parasite
b)
host, parasite
c)
organisms, parasite
d)
parasite, host
30.
_______is an organism that spends a significant portion of its life in or on this.
a)
parasite
b)
host
c)
decomposer
d)
prey
31.
A _______is an organism that spends a significant portion of its life in or on a host.
a)
parasite
b)
scavenger
c)
decomposer
d)
prey
32.
What would most likely happen if an ecosystem no longer received sunlight?
a)
The number of herbivores would increase
b)
The number of plants would increase
c)
all organisms would adapt
d)
All living organisms would eventually die
33.
Which organisms eat other living organisms to survive?
a)
producers
b)
consumers
c)
decomposers
d)
scavengers
34.
Which group of organisms makes up the largest part of the energy pyramid?
a)
producers
b)
consumers
c)
decomposers
35.
What happens when the top predator is removed from an ecosystem?
a)
The number of consumers increases.
b)
The number of decomposers increases.
c)
The number of consumers decreases.
d)
The number of decomposers decreases.
36.
Which of the following is a biotic factor in a forest?
a)
soil
b)
rocks
c)
acorns
d)
carbon dioxide
37.
What is the special role an organism plays in a community?
a)
niche
b)
habitat
c)
ecosystem
d)
population
38.
On a food web, which way should the arrows point?
a)
Toward the prey
b)
Toward the predator
c)
Toward the sky
d)
Toward the sun
39.
Water is an example of...
a)
Biotic Factor
b)
Abiotic Factor
40.
Which represents the largest group in a food web?
a)
carnivores
b)
omnivores
c)
herbivores
d)
producers
41.
A symbiotic relationship between two organisms where both species benefit.
a)
Parasitism
b)
Mutualism
c)
Commensalism
d)
BFF
42.
A symbiotic relationship where one species benefits and the other is neither harmed nor does it benefit.
a)
Parasitism
b)
Mutualism
c)
Commensalism
d)
Buddies for life!
43.
A symbiotic relationship where one species benefits and the other is harmed and does not benefit.
a)
Parasitism
b)
Mutualism
c)
Commensalism
d)
Run Away!
44.
Examples of how humans negatively affect local ecosystems are
a)
Building dams, deforestation (cutting down trees), adding point sources to nearby streams to allow for run-off, building roads and structures, and salting roads.
b)
Creating laws to prohibit fishing from local streams.
c)
Planting trees and other plants to attract native species.
d)
Removing non-native species from the environment.
45.
_______________ is another word for the sugar produced in plants.
a)
Cholorphyll
b)
Glucose
c)
Stomata
d)
Carbon Dioxide
Reset
