First Semester Biology Practice Questions

What is competition in an ecological context?

• A mutual benefit between two species

• A relationship where two or more organisms fight for limited resources

• A symbiotic relationship where both organisms benefit

• A predator-prey interaction

Which statement best describes parasitism?

• Both organisms benefit equally from the relationship

• The parasite benefits while the host is harmed

• The host benefits while the parasite is harmed

• Both organisms are harmed

What is an example of symbiosis?

• A lion hunting a zebra

• Bull elk fighting over a herd of cows

• Two species competing for water

• A bee pollinating a flower

Tags

NGSS.MS-LS2-2

What is commensalism in ecological relationships?

• A relationship where both organisms are harmed

• A relationship where one organism benefits and the other is unaffected

• A relationship where one organism is harmed and the other benefits

• A relationship where both organisms benefit

How does mutualism benefit the organisms involved?

• Only one organism survives while the other perishes

• Both organisms are harmed

• Both organisms benefit and it helps them survive

• It does not affect the organisms involved

This variable in an experiment is the one being deliberately changed by the scientist.

• dependent variable

• independent variable

• data

• control group

Should experiments be repeated over and over to see if the results are the same each time?

• yes

• no

Tags

NGSS.MS-PS3-4

A series of steps used by scientists to solve a problem or answer a question.

• scientific method

• recipe

• data collection

• metric system

Tags

NGSS.MS-PS2-2

You will collect and record this during an experiment.

• data
• conclusion
• hypothesis
• background research

Tags

NGSS.MS-ESS2-5

This is your prediction about how the Dependent Variable in an experiment will respond to changes in the Independent Variable.

• conclusion
• "I wonder…?"
• manipulated variable
• hypothesis

Tags

NGSS.MS-PS2-2