Unit 6 Pre-Assessment

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

At which point does energy enter this food web?

• Trees, grasses, and bushes
• Giraffes, rhinos, grasshoppers, mice, and gazelles
• Lions, condors, and leopards
• Birds, caracals, snakes, and monkies
• Skunks

Which group of organisms are primary consumers?

• Trees, grasses, and bushes
• Giraffes, rhinos, grasshoppers, mice, and gazelles
• Lions, condors, and leopards
• Birds, caracals, snakes, and monkies
• Skunks

Which group of organisms would be most affected if the grass disappeared?

• Gazelle
• Giraffe
• Rhinocerous
• Grasshopper and mouse

What is the role of bacteria in a food web?

• Producer
• Primary Consumer
• Energy Producer
• Decomposer

Which level of the pyramid consists of producers or autotrophs?

• A
• B
• C
• D