Biology Mid-Term Review

There are 27 students in the class. Observation or Inference?

All living things seek to find "balance" in their lives. An organism that has internal balance is in _________________.

A scientist places 1 plant in the sun & another in the shade & measures their growth every week.  Independent variable?

Testing a hypothesis involves collecting data and analyzing results. 

What are the 4 main macromolecules?

The ______________of water decreases as it freezes, which is why it floats. 

Which of the following is the best example of a hypothesis?  

In order to be considered living....

Through the process of ________________, organisms that have the traits that are best suited to the environment survive.

Water is the universal _____________ because it can dissolve many things, more than any other natural substance. 

What subatomic particles make up an atom?

Which of the following best describes a control variable in an experiment?  

Choose the statement that is TRUE

The variable in an experiment that YOU CHANGE, it's the thing you are actually testing

A hypothesis is a testable statement that predicts the outcome of an experiment.  True or False?

"If I add fertilizer, then the plant will grow more." This is an example of...

What is Biology?

What is a macromolecule?

What elements make up a water molecule?

What is a structure that is different, but the function is similar?

If there is an accident, such as a spill or broken glass, what is the first thing you should do?

An observation involves using the senses to gather information about the environment.  True or False?

You walk outside and see dark clouds in the sky.  Which of the following is the observation?

How many cells make up a unicellular organism?

What term means TO CHANGE in order to live and survive? 

A scientist uses different amounts of fertilizer & measures the number of tomatoes each plant produces over a month.  

"The plant is wilting because it hasn't been watered" is an observation.  True or False?

True/False: You should use electrical equipment in a dry area with dry hands.

Johnny loves to go fishing. Observation or Inference?

Water molecules sticking to other water molecules is what property of water?