Food Webs and Interactions Form

What is the interaction between 2 different species called?

• Cooperation
• Competition
• Symbiosis
• Reproductoin

A mistletoe plant takes nourishment from a tree, causing damage to a tree. This is an example of what?

• Mutualism
• Parasitism
• Commensalism
• Cooperation

Nitrogen-fixing bacteria get their nourishment from certain plants, providing plants with nutrition in the form of nitrogen in return. What is this an example of?

• Mutualism
• Parasitism
• Commensalism
• Cooperation

Aphid plants provide ants with sweet liquid, and ants live alongside them protecting them from predators. What is this an example of?

• Mutualism
• Parasitism
• Commensalism
• Cooperation

Lichens benefit from living on a tree, but the tree is not affected. What is this an example of?

• Mutualism
• Parasitism
• Commensalism
• Cooperation

Wolves hunt in packs and the whole pack gets to eat. What is this an example of?

• Mutualism
• Parasitism
• Commensalism
• Cooperation

What are all of the living and nonliving things in a specific region of a biome called?

• organism
• population
• community
• ecosystem

What are all of the living things in an ecosystem called?

• organism
• population
• community
• ecosystem

All of the catfish in a pond ecosystem is an example of what?

• organism
• population
• community
• ecosystem

What is the smallest level of organization in an ecosystem?

• organism
• population
• community
• ecosystem