Environmetal Educ. Quiz

Examples of biotic factors include

• grass, flowers, and sunlight

• grass, trees, bees, and ants.

• grass, trees, soil, and water.

• all of the above

Components of an ecosystem include

• soil, sunlight, water, and weather.

• grass, trees, bees, and ants.

• all the biotic and abiotic factors in an area.

• all of the above.

The relationship between autotrophs and producers is

• that autotrophs make the food the producers eat.

• that producers make the food the autotrophs eat.

• that autotrophs eat producers.

• that they are the same organisms.

Which describes the possible flow of energy in an ecosystem?

• snakes to frogs to caterpillars to trees

• trees to frogs to snakes to caterpillars

• trees to caterpillars to frogs to snakes

• caterpillars to trees to frogs to snakes

Which statement best defines ecology?

• The study of how living things interact with each other.

• The study of how living things interact with each other and with their environment.

• The study of how living things interact with their environment.

• The study of how living things interact with their habitat.

Nitrogen fixation is

• is the process of changing nitrogen gas to ammonia.

• is the process of changing nitrates to nitrogen gas.

• is carried out by nitrogen-fixing plants.

• naturally occurs in the atmosphere.

True/false-Predation is a relationship in which the prey consumes the predator.

• True

• False

True/false-Secondary succession may occur after a forest fire.

• True

• False

True/false-With a type I survivorship curve, most of the offspring survive to adulthood so they can reproduce.

• True

• False

True/false-With a random population distribution, organisms are clustered together in groups.

• True

• False