Environmental Science Final Exam Quizizz 2021

An ecologist observes that moss seems to grow mostly on the north side of trees, which receives the least amount of light. Which is a reasonable hypothesis she could use to test this?

• A sample of moss will grow better with 50 mL of water versus no water.

• Moss will grow better in shade than in direct light.

• The north side of trees are cooler than the south side.

• Trees provide good habitats for moss to grow in.

A student notices that honeybees tend to build their hives in tall trees. Which of the following represents a valid inference?

• Higher trees provide more protection for bee hives than shorter, more accessible trees.

• Bees will only construct hives in tall trees.

• All species of bees construct hives in taller trees.

• Only honeybees will use taller trees to construct their hives.

Symbiosis is:

• Human needs may be met indefinitely.

• A range of conditions in which an organism can survive.

• A relationship in which two species live in close association

• A relationship in which different individuals or populations attempt to use the same limited resources.

What are examples of renewable energy sources?

• Solar

• Wind

• Coal

• Gas

Living vegetation and the ocean are known as "carbon sinks" because

• they are made of carbon.

• they create carbon.

• they destroy carbon.

• they store carbon.

The main use of fossil fuels by humans is to use the thermal energy they contain to produce_________________________

• biodiesel

• ethanol

• electricity

• nuclear power

Where does the energy from an ecosystem come from?

• Trees

• Sun

• Plants

• Water

What kind of molecule is water?

• Ionic

• Polar Covalent

• Nonpolar Covalent

• Metallic

Which part of a water molecule has a Positive Charge?

• The Hydrogen

• The Oxygen

• The Top

• The Bottom

Which part of a water molecule has a Negative Charge?

• The Hydrogen

• The Oxygen

• The Left

• The Right