A relationship between two organisms in which one organism benefits and the other is unharmed...

• Mutualism

• Competition

• Parasitism

• Commensalism

What are the ecological levels of organization from smallest to the largest?

• organism, population, community, ecosystem, biome, biosphere

• organism, community, population, ecosystem, biome, biosphere

• organism, population, community, biome, ecosystem, ecosphere.

• organism, community, population, biome, ecosystem, ecosphere

Select the examples of biotic things

• Plants

• Soil

• Sun

• Animals

What level of organization can be observed in the image?

• Species

• Population

• Community

• Ecosystem

Which symbols best describe parasitism?

• +,0

• +,+

• +,-

• -,0

A relationship between two organisms in which both organisms benefit.

• Mutualism

• Competition

• Parasitism

• Commensalism

What do you call organisms that can make their own food?

• heterotrophs

• autotrophs

• trophies

• Herbivore

What is a decomposer?

• Eats dead plants or animals and breaks down to put nutrients back into the ecosystem

• Eats plants or other animals for food

• Makes its own food

• Machine that gathers trash

__________________ are consumers that eat ONLY MEAT (other animals)?

• Omnivores

• Carnivores

• Producers

• Herbivores

__________________ are consumers that eat BOTH Plants and Animals for food.

• Omnivores

• Producers

• Herbivores

• Carnivores