Ecosystem

What are animals in an ecosystem that eat other organisms called?

• Producers

• Consumers

• Decomposers

• Herbivores

What is the term for a group of ecosystems that share similar climates and organisms?

• Ecosystem

• Biome

• Habitat

• Niche

True or False: The atmosphere includes all the gases around Earth.

• True

• False

• Only oxygen and nitrogen

• Only carbon dioxide and water vapor

What do we call the relationship where one organism benefits and the other is harmed?

• Mutualism

• Commensalism

• Parasitism

• Competition

What is the term for the non-living parts of an ecosystem?

• Biotic factors

• Abiotic factors

• Ecosystem services

• Nutrient cycles

What is the role of decomposers in an ecosystem?

• They produce energy through photosynthesis.

• They break down dead organisms and recycle nutrients back into the soil.

• They compete with plants for sunlight and water.

• They provide shelter for various organisms.

What is a food chain?

• A sequence that shows how energy and nutrients flow from one organism to another.

• A list of all the animals in a habitat.

• A diagram that represents the food preferences of a species.

• A method of cooking food in a specific order.

What is the process by which plants make their own food using sunlight?

• Photosynthesis

• Respiration

• Transpiration

• Fermentation

What is the primary source of energy for most ecosystems?

• The Moon

• The Sun

• Geothermal Energy

• Wind Energy

True or False: A consumer eats animals for energy.

• True

• False

• Sometimes

• Rarely