Introduction to Biology

What is often the driving force in the development of a hypothesis?

• Both qualitative and quantitative data

• An observation that leads to a question

• A controlled experiment

• A well-supported theory

How are hypotheses often worded?

• As a question.

• In Latin, the language of science..

• In an "if...then" format.

• Not specifically, in case they need to be changed.

How many independent variables are found in a controlled experiment?

• 1

• 2

• As many as are needed support the hypothesis

• 3 or more

Tags

NGSS.MS-PS2-2

What is another name for the dependent variable?

• The manipulated variable

• The controlled variable

• The experimental data

• The constant

Tags

NGSS.MS-PS3-4

______ is how close a measured value it its true value; _____ refers to the closeness of repeated measurements to each other.

• Precision; accuracy

• Observation; inference

• Accuracy; precision

• Inference; observation

The biological classification that includes all the ecosystems on Earth as well as abiotic factors like climate is termed

• Population

• Community

• Species

• Biosphere

Tags

NGSS.HS-ESS2-7

The smallest unit of life is

• The cell

• The atom

• The organism

• The tissue

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Development as a characteristic of life refers to an organism's ability to

• Utilize energy from food

• Alter its physical structure as it ages

• Get larger in size

• Create offspring

Tags

NGSS.HS-LS1-4

Spontaneous generation is

• A contemporary idea regarding gene inheritance

• A disproven idea that life comes from non-life

• An idea that developed into vaccination

• Held by most biologists today

How can bias be eliminated in experimental design?

• Through use of peer review.

• Through communication of experimental analysis

• Through careful use of probability calculations

• Through use of double-blind experiments