NEW
Font size
S
M
L
XL
WorksheetsEcosystems
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Thesy break down wastes and dead organisms and return raw materials to the ecosystem.
a)
predators
b)
decomposers
c)
consumers
d)
scavengers
2.
An envionmental factor that causes a population to stop growing.
a)
abiotic factor
b)
biotic factor
c)
limiting factor
d)
extinct factor
3.
Consumers that eat both plants and animals
a)
primary consumers
b)
herbivores
c)
omnivores
d)
carnivore/herbivores
4.
The source of all food in an ecosystem.
a)
producers
b)
plants
c)
species
d)
decomposers
5.
Causes a population to grow in size.
a)
carrying capacity
b)
birth rate
c)
immigration
d)
selective breeding
6.
Requires water, sunlight, and carbon dioxide to take place.
a)
respiration
b)
species growth
c)
habitat
d)
photosynthesis
7.
A group of organisms that are physicall similiar and can mate and reproduce.
a)
ominvores
b)
species
c)
genre
d)
phylum
8.
An environment that provides the things an organism needs to live, grow and reproduce.
a)
ecosystem
b)
biome
c)
boreal
d)
habitat
9.
The most energy is available at the producer level of the
a)
ecosystem
b)
habitat
c)
energy pyramid
d)
tundra
10.
Limiting factors cause a population to stay within this
a)
population
b)
community
c)
carrying capacity
d)
habitat limit
Reset
