Review of Ecology

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.

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

• Habitat

• Niche

• Community

• Ecosystem

Which of the following is a predator and prey relationship?

• A. Cow and grass.

• B. Vulture and a dead lion.

• C. Tick and a deer.

• D. Spider and a fly.

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

In the energy pyramid here, which organisms have the most energy available?

• Producers
• Carnivores
• Herbivores
• Top Predator

If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?

• 10 Kcal
• 1 Kcal
• 100 Kcal
• 1000 Kcal

A secondary consumer 

• eats primary consumers
• eats producers
• eats plants

What amount of percentage does the energy decrease as it goes up the pyramid?

• 100%

• 1000%

• 10%

• 1%

Giraffes have long necks that help them reach leaves high up in trees. They get all the energy they need from plants such as this. What type of consumer are giraffes.

• carnivore

• omnivore

• herbivore

• decomposer