Chapter 9, 7th Grade Question Preview (ID: 31090)


Interactions Of Living Things. TEACHERS: click here for quick copy question ID numbers.

Which is NOT an abiotic factor?
a) air
b) water
c) pigeons
d) soil

Land biomes are called
a) terrestrial biomes
b) aquatic biomes
c) earthly biomes
d) surface biomes

What can cause an increase in population size?
a) organisms dying
b) organisms moving into an area
c) organisms moving out of an area
d) none of the above

Which is a limiting factor?
a) water
b) space
c) disease
d) all of the above

The physical place where a population lives is called its
a) habitat
b) niche
c) population
d) hood

Which is an example of a parasitic relationship?
a) a clownfish and sea anemone
b) a bee and a flower
c) a flea and a dog
d) a barnacle and a sea turtle

T/F: Energy returns to its source (or cycles) in an ecosystem.
a) True
b) False
c)
d)

The process in which organisms use chemicals to make food energy is called
a) photosynthesis
b) chemosynthesis
c) autosynthesis
d) hydrosynthesis

Which organisms only eat other consumers?
a) herbivores
b) omnivores
c) carnivores
d) detritivores

Detritivores are organisms that eat
a) only producers
b) only consumers
c) both producers and consumers
d) dead plants and animals

T/F: Each stage of a food chain has less available food energy than the last one.
a) True
b) False
c)
d)

What shows the amount of energy available at each step of a food chain?
a) food chain
b) food web
c) food pyramid
d) food cube

When water vapor is released by plants, it is called
a) precipitation
b) condensation
c) evaporation
d) transpiration

Plants release ___ as a waste product of photosynthesis.
a) carbon dioxide
b) oxygen
c) water vapor
d) nitrogen

Producers make a food source called
a) glucose
b) stomata
c) chlorophyll
d) chloroplast

How do humans contribute to the carbon cycle?
a) They breathe out carbon dioxide
b) They burn fossil fuels
c) When they decompose, the carbon is returned to the environment.
d) All of the above.

T/F: Environmental changes can be slow or rapid.
a) True
b) False
c)
d)

The largest number of individuals of one species that an ecosystem can support over time is called
a) limiting factors
b) climax community
c) carrying capacity
d) threshold

A relationship in which two organisms benefit is called
a) mutualism
b) commensalism
c) parasitism
d) benefitism

Which organisms cannot make their own food and get energy by eating other organisms?
a) producers
b) consumers
c) chemosynthetic organisms
d) none of the above

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 31090 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In
| Sign Up / Register