Respuesta :
Answer:
Biotic: trees, flowers, birds
Abiotic: sun, sand, rocks, water
Explanation:
Biotic factors are living things and abiotic factors are non living thins that live in an ecosystem.
Answer:
A bird is drinking water from the lake outside
Explanation:
The bird is a biotic factor because it is alive, and the lake is an abiotic factor because it is not alive.