CarryC1 Exam

What are the three main types of ecological pyramids?

• Pyramid of numbers, pyramid of biomass, pyramid of energy.

• Pyramid of soil, pyramid of water, pyramid of nutrients.

• Pyramid of temperature, pyramid of light, pyramid of air.

• Pyramid of species, pyramid of habitat, pyramid of climate.

How would scientists model a food chain to show the flow of energy in a desert ecosystem? (flow left to right)

• Sun -- cacti -- insects -- lizards -- foxes.

• Sun -- cacti -- birds -- snakes -- hawks.

• Sun -- grass -- rabbits -- deer -- wolves.

• Sun -- shrubs -- ants -- frogs -- eagles.

What is a characteristic of freshwater ecosystems?

• Flowing water.

• High salinity.

• Presence of coral reefs.

• Saltwater fish species.

What is the term for organisms that cannot produce their own food and must consume other organisms?

• Producers

• Consumers

• Decomposers

• Autotrophs

What is an ecosystem?

• A community of living organisms interacting with their physical environment.

• A type of biome characterized by its climate and geography.

• A collection of non-living things in a specific area.

• A group of organisms that are all the same species.

An organism that gets energy from breaking down dead organisms, non-living material, or waste is a ________________.

• Producer

• Consumer

• Decomposer

• Herbivore

What role do producers play in an ecosystem?

• They convert sunlight into energy through photosynthesis.

• They consume other organisms for energy.

• They decompose organic matter into nutrients.

• They regulate the population of herbivores.

What is the significance of biodiversity in an ecosystem?

• Biodiversity increases resilience and stability of ecosystems.

• Biodiversity decreases competition among species.

• Biodiversity leads to more diseases in ecosystems.

• Biodiversity has no impact on ecosystem health.

What is the difference between a food chain and a food web?

• A food chain shows a linear sequence of energy flow, while a food web shows interconnected food chains.

• A food chain includes all organisms in an ecosystem, while a food web only includes plants.

• A food chain is a complex network of interactions, while a food web is a simple linear path.

• A food chain represents only herbivores, while a food web includes both herbivores and carnivores.

The place in an ecosystem where an organism lives is called a ________________.

• Habitat

• Niche

• Biome

• Ecosystem