Respuesta :
All of the trees in an ecosystem are examples of the biotic fators in an ecosystem.
Mammals - definitely not. Mammals are who have skin and backbones.
Biotic Factors - which are living organisms within a ecosystem.
Heterotroph - who cannot make their own food. plant can make their own food.
Abiotic factors - which are not living, plants are living organisms.
Answer: Biotic Factors
Step-by-step explanation:
These functions relate to the movement of energy through an ecosystem, and trees — along with other photosynthetic plants — are the chief primary producers. This means that trees convert the sun's energy into food energy, which is then used by other members of the ecosystem