1. What were the biotic and abiotic factors in the ecosystem?

2. List the populations in the ecosystem. Which population was the largest? The smallest?

3. Describe one niche in the ecosystem.

1. Living and non living things in an ecosystem are called biotic and abiotic factors respectively.

Living things include: plants, animals, microorganisms and non-living things include: sunlight, temperature, gases, water etc.

2. Ecosystem, population, biosphere, community.