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.

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

• Habitat

• Niche

• Community

• Ecosystem

A close, ongoing relationship between species in which at least one is benefiting and the other is not helped or harmed.

• Commensalism

• Symbiosis

• Predator & Prey

• Mutualism

An ongoing relationship in which one organism benefits and the other is harmed.

• A. Predator & Prey

• B. Mutualism

• C. Commensalism

• D. Parasitism

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.

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

TREE

• Abiotic

• Biotic

An organism’s habitat is where it lives.

• True

• False

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

True or False. In this energy pyramid, the consumers on each level only get about 10 percent of energy that the trophic level before it has stored.

• True
• False