Quiz #2 (science + intro to ecology)

The part of the experiment that does not contain the independent variable. Used for comparison.

• Control Group

• Experimental Group

• Results

• Data

Which group in an experiment is treated with the independent variable?

• control group
• experimental group
• hypothesis
• dependent variable

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

This variable in an experiment that is measured

• dependent variable
• independent variable
• data
• control group

What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.

• commensalism
• mutualism
• parasitism
• predation

Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales.  What kind of relationship is this?

• Mutualism 
• Parasitism 
• Commensalism 

Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants.

• Predation

• Parasitism

• Commensalism

• Mutualism

What is a producer?

• an organism that gets energy from eating other organisms

• an organisms that uses sunlight to make its own food

• an organism that gets energy from eating dead organisms, non-living material or waste

An organism that gets energy from eating other organisms is a ______________

• producer

• consumer

• decomposer

All energy on Earth ultimately comes from what source?

• Water
• Sun
• Consumers
• Oxygen