WorksheetsChapter 9 Science Test
Total questions: 37
Worksheet time: 19mins
Name
Class
Date
1.
Which factor is abiotic?
a)
water
b)
plant
c)
animal
2.
Which factor is biotic?
a)
soil
b)
a pine cone
c)
temperature
3.
________________ is the study of how organisms interact with each other and with their environment.
a)
biotic factor
b)
ecology
c)
terrestrial
4.
A(n) ________________________ is made up of all living and nonliving things in one place.
a)
ecosystem
b)
biome
c)
succession
5.
___________________ is the gradual change from one community to another community in an area.
a)
ecosystem
b)
biome
c)
succession
6.
All biomes are part of the __________________, which is the part of the Earth that supports life.
a)
biosphere
b)
terrestrial
c)
biome
7.
___________________ biomes include forests, deserts, tundra, and grasslands.
a)
biosphere
b)
terrestrial
c)
biome
8.
A(n) _________________ is all the population that live together in an ecosystem at the same time.
a)
biome
b)
terrestrial
c)
community
9.
__________________________ are the nonliving parts of an ecosystem.
a)
abiotic factors
b)
biotic factors
c)
animals
10.
A(n) ____________________________ is a geographic area that contains ecosystems with similar biotic and abiotic features
a)
abiotic factors
b)
biome
c)
biotic factors
11.
________________ factors are all the living or once-living things in the ecosystem.
a)
abiotic factors
b)
biome
c)
biotic factors
12.
Some abiotic factors on Earth include water, light, ______________, atmosphere, and soil.
a)
temperature
b)
grass
c)
biotic factors
13.
Population ________________ describes the number of organisms in an area relative to the amount of space available.
a)
space
b)
volume
c)
density;
14.
A(n) _____________________ is the unique way that an organism survives, obtains food and shelter, or avoids danger in its habitat.
a)
location
b)
niche
c)
habitiat
15.
All populations in a community share a(n) ______________________, the physical place where a population or an organism lives.
a)
community
b)
habitat
c)
house
16.
Factors such as predation, competition, and disease are examples of ______________________.
a)
abiotic factors
b)
biotic factors
c)
limiting factors
17.
__________________ is the largest number of individuals of a species that an ecosystem can support over time.
a)
community
b)
population
c)
carrying capacity
18.
____________________ is the potential growth of a population if it could grow in perfect conditions with no limiting factors.
a)
biotic potential
b)
abiotic potential
c)
limiting factors
19.
A(n) _________________________ occurs when two different species live together in a close relationship over a long period of time.
a)
growing relationship
b)
symbiotic relationship
c)
independent relationship
20.
_____________________ is a symbiotic relationship in which one species benefits and the other is not helped or harmed.
a)
mutualism
b)
parasitism
c)
commenalism
21.
_________________________ is a symbiotic relationship in which two species in a community help each other.
a)
mutualism
b)
parasitism
c)
commensalism
22.
_______________________ is a symbiotic relationship in which one species (the parasite) benefits while another (the host) is harmed.
a)
mutualism
b)
parasitism
c)
commensalism
23.
All life on Earth needs _________________ for cell processes.
a)
energy
b)
time
c)
darkness
24.
Human activities such as the burning of fossil fuels add________________ to the atmosphere.
a)
cycle
b)
carbon
c)
producers
25.
______________________ change the energy available in their environment into food energy.
a)
cycle
b)
carbon
c)
producers
26.
The ___________________ cycle includes oceans, rivers, organisms, and the atmosphere.
a)
air
b)
water
c)
life
27.
Plants, algae, and some microorganisms use a chemical process called ________________ and change light energy from the sun into food energy.
a)
life cycle
b)
water cycle
c)
photosynthesis
28.
Some producers use __________________ to change chemical energy into food energy.
a)
chemosynthesis
b)
food web
c)
eating
29.
A(n) _________________________ shows the amount of food energy available at each step of a food chain.
a)
food web
b)
food chain
c)
energy pyramid
30.
All life on Earth needs ________________ for cell processes.
a)
energy
b)
time
c)
darkness
31.
Unlike energy, ______________ does not flow, but moves in a cycle. It is used again and again throughout a(n) ecosystem.
a)
matter
b)
food web
c)
ecosystem
32.
______________________ cannot make their own food and get energy by eating other organisms.
a)
consumers
b)
herbivores
c)
omnivores
33.
Herbivores consume only __________________.
a)
consumers
b)
producers
c)
omnivores
34.
A(n) ___________________ is a model that shows several connected food chains
a)
food chain
b)
food pyramid
c)
food web
35.
________________ eat other consumers and producers.
a)
consumers
b)
herbivores
c)
omnivores
36.
_____________ eat dead plant or animal material.
a)
consumers
b)
detrivores
c)
omnivores
37.
A(n) ____________________ models how energy flows in an ecosystem through feeding relationships.
a)
food chain
b)
food web
c)
energy pyramid
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