Ecosystems and Biodiversity Challenge

What is an ecosystem?

• An ecosystem is a community of living organisms and their physical environment interacting as a system.

• A group of unrelated animals

• A type of weather pattern

• A collection of plants in a garden

Define biodiversity.

• Biodiversity is the total biomass of all living organisms on Earth.

• Biodiversity is the variety of life in a particular habitat or ecosystem.

• Biodiversity refers to the number of species in a single organism.

• Biodiversity is the study of how ecosystems function.

What are the main components of an ecosystem?

• Photosynthesis and respiration

• Food chains and food webs

• Biotic factors and abiotic factors.

• Producers and consumers

Explain the importance of producers in an ecosystem.

• Producers are essential for energy flow, oxygen production, and nutrient cycling in an ecosystem.

• Producers consume energy from other organisms.

• Producers are only important for plant growth.

• Producers have no role in oxygen production.

What role do consumers play in an ecosystem?

• Consumers are producers that create energy through photosynthesis.

• Consumers are organisms that decompose dead matter and recycle nutrients.

• Consumers are organisms that primarily produce oxygen for the ecosystem.

• Consumers are organisms that obtain energy by feeding on other organisms, playing a key role in energy transfer and ecosystem balance.

Describe the relationship between predators and prey.

• Prey hunt and consume predators to maintain balance.

• Predators and prey are unrelated species in an ecosystem.

• Predators and prey live in harmony without interaction.

• Predators hunt and consume prey, creating a dynamic balance in ecosystems.

What is a food chain? Give an example.

• Water -> Fish -> Shark -> Coral

• Sun -> Cloud -> Rain -> Soil

• An example of a food chain is: Grass -> Grasshopper -> Frog -> Snake.

• Grass -> Rabbit -> Eagle -> Tree

How does energy flow through an ecosystem?

• Energy flows from the sun to producers, then to consumers, and finally to decomposers in a one-way direction.

• Energy flows in a circular pattern among all organisms.

• Energy is recycled through producers and consumers only.

• Energy is stored in the soil and released to plants.

What is the difference between a habitat and a niche?

• A habitat is the same as a niche.

• A habitat is the environment where an organism lives, while a niche is the role it plays within that environment.

• A habitat refers to the food an organism eats.

• A niche is the physical space an organism occupies.

Explain the concept of ecological succession.

• Ecological succession is the gradual process of change and replacement in the species composition of an ecosystem over time.

• Ecological succession is the process of species extinction in a stable environment.

• Ecological succession refers to the random appearance of new species in an ecosystem.

• Ecological succession is the immediate change in species due to a natural disaster.