Intro to Bio Test Review

An experiment in which only one variable is changed is a/n ______________ experiment.

Observation or Inference: Dinosaurs died out because they could not adapt to change.

Which best explains why humans sweat when they get hot?

If a person uses a higher SPF, then they will get less sunburned. This is an example of a:

In terms of the scientific method, the purpose of an experiment is to

Which best explains why your legs and arms get longer and stronger as you get older?

Which of the characteristics of living things best explains why birds fly south for the winter?

Decline in predators after they have eaten most of the prey. Prey increase, then the predators

Observation or Inference: The caterpillar did not eat the moth because it was not hungry.

You suggest that if you add water bread mold will grow faster. This is

Observation or Inference: The sun rose at 6:54 am this morning.

True or False: The independent variable is the variable that you change.

Unsustainable slash and burn agriculture practices in tropical rain forests.

How many independent variables can you have in an experiment?

True or False: The independent variable is the one you measure.

Predator prey relationships are an example of a

Melting permafrost in the tundra leading to further release of methane, causing further change.

Which of the following statements is true?

Pos or Neg? Loss of vegetation leading to soil erosion leading to further loss of vegetation.

Measurements made while observing a plant grow 3 cm over a two-week period are called

The chemical reactions that an organism builds up or breaks down materials to gain energy

Observation or Inference: It smells like Axe Body Spray in our classroom.

What are the smallest objects that are considered alive?

I use different weed killers to see which one kills the most weeds. Independent Variable?

I use different weed killers to see which one kills the most weeds. Dependent Variable?

Which is very important for a group organisms, but not a single organism?

Which of the following is NOT a characteristic of all living things?

The process by which organisms keep everything inside their bodies within certain limits

In all of our cells there is DNA. Which characteristic does this fact best describe?

A word to describe change over time is: