Ecology Quizprep

Define ecology

• is the study of how organisms interact with one another

• is the study of how organisms interact with one another and with their physical environment.

• is the study of how organisms interact with one another and with their chemical environment.

• is the study of how organisms interact with one another and with their bodies.

A symbiotic relationship exists between two organisms of different species. If only one organism benefits from the relationship and the other is harmed, the relationship is called ...

• Commensalism

• Mutualism

• Parasitic

• Saprophytic

Type of symbiotic relationship between orchid and tree is .....

• Mutualism

• Commensalism

• Parasitic

• Detritivore

In addition to producers and consumers, healthy communities must have ________, bacteria and fungi which recycle detritus.

• Autothrops

• Decompocer

• Producer

• Consumer

What is the single most important factor contributing to losing or creating endangered species?

• Water pollution

• Clear cut logging

• Habitat loss

• Air pollution

Which population will be most affected if foxes removed from the food web?

• Rabbit and birds

• Grasshopper and mice

• Mice and owl

• Rabbit and owl

Biotic relationships involves interactions between:

• organisms and non-living surroundings

• organisms and their living and non-living surroundings

• organisms of the same species

• living organisms of different species

Green plants are

• producers
• consumers
• herbivores
• omnivores

What type of relationship is this?

• parasitism

• mutualism

• commensalism

• competition

What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food.