WorksheetsScience Ch. 3 Ecosysmtems
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
organisms that break down dead plant and animal tissues
a)
niche
b)
decomposers
c)
herbivores
d)
community
2.
organisms that eat only plants
a)
herbivores
b)
omnivores
c)
carnivores
d)
decomposers
3.
all the living and nonliving things in an enviornment and they way they interact
a)
community
b)
niche
c)
ecosystems
d)
population
4.
all the members of one species that live within an area of an ecosystem
a)
population
b)
community
c)
people
d)
decomposers
5.
formed by the different populations that interact with each other in the same area
a)
ecosystems
b)
omnivores
c)
community
d)
population
6.
organisms that eat only animals
a)
carnivores
b)
omnivores
c)
herbivores
d)
meat eaters
7.
the specific role an organism has in its habitat
a)
system
b)
niche
c)
cleaner
d)
teacher
8.
organisms that eat both plants and animals
a)
organs
b)
omnivores
c)
herbivores
d)
carnivores
9.
Which is true about a system?
a)
people do not live there
b)
each part of the system is independent
c)
it has parts that work together for a purpose
d)
it consists mostly of plants
10.
What is true about an ecosystem?
a)
a system where populations stay the same
b)
a system where living and nonliving things interact
c)
a place where there is always rain, soil, sunlight and air
d)
a place where there is only one organism
11.
What is the main energy source for life on earth?
a)
water
b)
sunlight
c)
chemicals
d)
green plants
12.
Which of these is a producer?
a)
grass
b)
bears
c)
seahorse
d)
worms
13.
What do animals need to travel through a food chain?
a)
ecosystems
b)
carnivores
c)
herbivores
d)
nutrients and minerals
14.
This is an example of....
a)
food web
b)
dinner
c)
food chain
d)
animals
15.
This is an example of a...
a)
food chain
b)
food party
c)
food web
d)
spider webs
100 %
