WorksheetsEcosystems
Total questions: 20
Worksheet time: 13mins
Name
Class
Date
1.
The place where an organism lives is its __________.
a)
habitat
b)
ecosystem
c)
organism
d)
population
2.
All of the nonliving parts of an ecosystem are __________.
a)
biotic
b)
biology
c)
abiotic
d)
biography
3.
A group of organisms of the same species living in the same area are called a/an __________.
a)
community
b)
habitat
c)
population
d)
ecosystem
4.
All of the living AND non-living things in an area that interact with each other are called a/an __________.
a)
community
b)
habitat
c)
population
d)
ecosystem
5.
A group of different species that live together and interact in an environment are called a/an __________.
a)
community
b)
habitat
c)
population
d)
ecosystem
6.
ALL energy flow for an ecosystem begins with ...
a)
plants
b)
the moon
c)
the sun
d)
algae
7.
What are biotic factors?
a)
dead things
b)
living things/ organisms
c)
weather
d)
plants
8.
Biotic factors are ...
a)
living things/ organisms
b)
atmosphere
c)
dead things
d)
algae
9.
Which is an example of an ABIOTIC factor?
a)
hummingbird
b)
water
c)
dead tree branch
d)
skunk
10.
Which is an example of a BIOTIC factor?
a)
lightning
b)
algae
c)
sand
d)
clouds
11.
Which are located at the very BOTTOM of an energy pyramid?
a)
producers
b)
consumers - Level 1
c)
consumers - Level 2
d)
decomposers
12.
A relationship where both organisms benefit is called __________.
a)
mutualism
b)
commensalism
c)
parasitism
13.
A relationship where one organism benefits and one organism is harmed is called __________.
a)
mutualism
b)
commensalism
c)
parasitism
14.
A relationship where one organism benefits and one organism is unaffected is called __________.
a)
mutualism
b)
commensalism
c)
parasitism
15.
When writing an example of a food chain, you start by writing the smallest organism (with the most energy) ...
a)
all the way to the right
b)
all the way to the left
c)
in the middle
d)
the order doesn't matter
16.
Organisms that hunt other organisms for food are called __________.
a)
predators
b)
prey
c)
producers
d)
heterotrophs
17.
A bird in a tree watched as a lion stalked, attacked, and then ate a zebra. Which of these animals was the prey?
a)
bird
b)
lion
c)
zebra
d)
all of the above
18.
A bird hitches a free, safe ride on the back of a grey elephant. The elephant doesn't seem to mind and barely notices the bird. Which type of relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
19.
Carnivores, herbivores, omnivores, and scavengers are all examples of __________.
a)
producers
b)
consumers
c)
decomposers
d)
abiotic factors
20.
An individual living thing is a/an ___________.
a)
habitat
b)
ecosystem
c)
organism
d)
population
100 %
