Natural Resources Review

What is a natural resource?

• A man-made object

• A material found in nature that is used by humans

• A weather pattern

• Any living organism

Which of the following is an abiotic factor in an ecosystem?

• Decomposers

• Sunlight

• Trees

• Wolves

What is a trophic level in a food web?

• The amount of sunlight available

• The number of consumers

• The number of producers

• The position an organism occupies in a food chain

Which of the follow is an example of a renewable resource?

• Coal

• Natural gas

• Petroleum

• Solar energy

What is the primary source of energy in most ecosystems?

• Fossil fuels

• Geothermal heat

• Sunlight

• Wind

Which of the following is an example of a herbivore?

• Coyote

• Grass

• Rabbit

• Tiger

What term refers to a species at the top of the food chain with no natural predators?

• Apex predator

• Decomposer

• Herbivore

• Omnivore

Which trophic level do herbivores occupy?

• First

• Second

• Third

• Fourth

Adaptive traits are traits that provide some sort of advantage for survival.

• True

• False

Natural selection is a process in which humans intentionally choose traits they want to see in populations.

• True

• False