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These autotrophs are photosynthesizers such as algae and green plants that produce most of the organic nutrients for the biosphere.

• Enzymes
• Photoautotrophs
• Coliform
• Chemoautotrophs

They rely on producers directly or indirectly for a living.

• Producer
• Consumers
• Decomposers
• Carnivores

Earthworms and some beetles, termites, and maggots are all terrestrial .

• Producer
• Consumer
• Detritiviores
• Carnivores

It is used to describe the relationship if both species benefit from each other.

• Mutualism
• Carnivore
• Symbiosis
• Producer

These are animals that feed both on plants and animals.

• Ominvores
• Carnivores
• Herbivores
• Producers

All ecological space that shares the same species, climate, animals, and plants is called

• Habitat
• Biomes
• Environment
• Ecosystem

These are selected single-lane food relationships in a series among organisms

• Food chain
• Niche
• Food web
• Trophic level

It is the ultimate source of energy for every ecosystem.

• Coal
• Water
• Soil
• Sun

A ___________ consists of all the organisms that feed at a particular level in a food chain.

• Niche
• Trophic level
• Food pyramid

They are unable to produce food, are constantly looking for source of organic nutrients from elsewhere.

• Autotrophs
• Detritivores
• Decomposers
• Heterotrophs

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