Ecosystem Factors Quiz

What do abiotic factors determine in an environment?

• The color of the sky

• The types and numbers of organisms

• The taste of water

• The speed of wind

Which cycles transfer matter through all levels of the ecosystem?

• Oxygen, hydrogen, and sulfur cycles

• Carbon, nitrogen, and water cycles

• Phosphorus, potassium, and calcium cycles

• Iron, zinc, and copper cycles

What is the role of energy pyramids in an ecosystem?

• To show the color of plants

• To represent energy flow and food webs

• To measure the height of trees

• To calculate the speed of animals

What is expected of students regarding the cycling of matter and energy?

• To memorize the names of all plants

• To develop a model illustrating the cycling of matter

• To draw pictures of animals

• To write poems about nature

What is the central idea regarding biotic and abiotic factors?

• They have no effect on ecosystems

• They affect the movement of matter and energy

• They only affect water bodies

• They only affect deserts

What is the role of students in understanding energy flow in ecosystems?

• To ignore it

• To expand their understanding of nutrient cycles

• To only study plants

• To only study animals

What does an energy pyramid model?

• Decrease in energy from producers to consumers

• Increase in energy from consumers to producers

• Constant energy levels across trophic levels

• Energy loss only at the producer level

What is the role of food chains and webs in an ecosystem?

• Illustrate energy transfer from producers to consumers

• Show the increase of energy in an ecosystem

• Demonstrate the creation of energy

• Depict the constant energy levels

What is given off to the environment as thermal energy?

• Metabolism

• Photosynthesis

• Condensation

• Assimilation

What is the role of consumers in an ecosystem?

• Consume other organisms

• Produce energy

• Decompose material

• Store energy