Ecology Review

Ecology is the study of .

• life

• Interactions among organisms and their environments

• interactions among organisms

• how traits are passed from parents to offspring

Which of the following is abiotic?

• A tree in a forest.

• Wood from the tree on the forest floor.

• A termite on the tree.

• The soil the tree is growing in.

Which of the following is biotic?

• Food

• Water

• Air

• Light

What is made up of all the populations in an area?

• Habitat

• Niche

• Community

• Ecosystem

Tell if the item is an abiotic factor or biotic.....

Water

• Abiotic

• Biotic

An organism’s habitat is where it lives.

• True

• False

Tell if the item is an abiotic factor or biotic.....

Sandy Soil

• Abiotic

• Biotic

The living world is organized in levels. Biotic and abiotic factors also can be arranged into levels of biological organization. Put the words below in order from the least complex to the most complex

• Community, Organism, Biome, Population, Biosphere, Ecosystem

• Organism, Population, Community, Ecosystem, Biome, Biosphere

• Organism, Biome, Population, Community Biosphere, Ecosystem

A trophic level represents a _________. 

• consumer
• feeding level
• speeding level
• cooking level

What is the source of energy that flows through most of the food chains on Earth?

• plants
• the sun
• temperature
• wind