How does predation affect an ecosystem? How does competition affect an ecosystem?
Explain in your own words how competition works in an ecosystem.
How did the backyard bird feeders in the article increase competition in that ecosystem? (asking again cause no one helped)

predation affects an ecosystem for its decomposer

Explanation:

autotroph/producer; photosynthesis; herbivores/heterotrophs/consumers

Explination:

autotroph/producer: makes own food

photosynthesis: how plants make their own food using light, water, and CO2

Herbivore: only eats plants

heterotroph/consumer: does not make its own food