Biology Unit 1 Review

___________a molecule that is present in all living cells and that contains the information that determines the traits a living thing inherits and needs to live.

• Cell

• Stimulus

• Homeostasis

• DNA

When you step out into the cold, your body shivers in order to keep its temperature at 98.6F.

• All living things use energy
• All living things contain cells
• All living things maintain homeostasis
• All living things grow

The roots of a plant grow towards a source of ground water.

• All living things use energy
• All living things reproduce
• All living things respond to their environment
• All living things grow

YOU are a multi-celled organism but an amoeba is a single celled organism.

• All living things have cells
• All living things grow
• All living things use energy
• All living things respond to their environment

Living things are made up of units called

• DNA

• Cells

• Homeostasis

• Seeds

In order for something to be considered a living organism, it must display _____ of the eight characteristics of living things.

• one
• some
• all
• more than half

The things that are kept the same to ensure the results are due to the experiment is called..

• Control
• Constant
• Independent Variable
• Dependent Variable

The variable the is changed on purpose is..

• Constant
• Control
• Independent Variable
• Dependent Variable

What is the DEPENDENT variable (effect) in this experiment?

"Does eating breakfast improve test score?"

• eating breakfast or not

• the grade you got on the test

• what time you get up in the morning

• how tasty the breakfast is

What is the INDEPENDENT  variable (cause) is this experiment? 
"Which type of medium is best for plant growth?" 

• height of plant (cm)
• type of medium (soil vs. sand)
• amount of medium
• types of plant