Freshman Biology Mid-Term Honors Class

A state of biological balance

• homeostasis
• hypertonic
• hypotonic
• hippocampus

Dependent variable means

• the scientist controls what to test
• educated guess
• ask a question
• what is being measured

If plants are exposed to sunlight, then they will grow taller.
What part of the scientific method is this an example of?

• Procedure
• Hypothesis
• Question
• Results

The independent variable is the ONE thing you _____.

• change on purpose
• control or keep constant
• measure

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid: water, apple juice, or milk. What variables should be kept constant/controlled? 

• type of plant, flower pot,  soil, and amount of sunlight
• water, apple juice, milk
• only the amount of sunlight
• type of plant only

Why do we want to test one variable at a time?

• Because it is hard to setup a data table with more
• To know what is causing the changes. This helps us understand cause and effect.
• It is what has always been done

All living things ____ to make more living things.

• adapt
• develop
• grow
• reproduce

Rocks are not living because

• they never move
• they aren't needed for humans
• they are not made of cells
• they don't break down

A plant growing towards the light is an example of 

• reproduction.
• responding to a stimuli.
• metabolism.
• homeostasis.

A maggot changing into a fly is an example of 

• reproduction.
• growth and development.
• homeostasis.
• evolution.