Unit 11 Study Guide

A bee receives nectar from a flower and carries the pollen to other flowers:

• predation

• parasitism

• mutualism

• commensalism

Mistletoe grows and spreads on trees, taking their nutrients:

• predation

• parasitism

• mutualism

• commensalism

What would happen within a few months after the formation of a volcanic island?

• pioneer species would grow

• no pioneer species would grow

• trees and large plants would grow

• rich, organic soil would be present

The monkey would be a

• decomposer

• producer

• primary consumer

• secondary consumer

Introduced species disrupt ecosystems because they are a/an

• Keystone Species

• Endemic Species

• Invasive Species

• Native Species

Which is an example of where primary succession could occur?

• a glacier melts and exposes new rocks

• natural fire burns a prairie

• a corn field is abandoned and left to overgrow

• flood covers a piece of land

Mice might grow in population and destroy the community by eating all of the berry bushes if

• wolves and snakes were removed from the food web

• another predator migrated in to the community

• the snake population grew

• none of these

These organisms are often not shown in a food chain, but are important for recycling nutrients

• producers

• decomposers

• primary consumers

• carnivores

Which event would not cause secondary succession?

• forest fire

• flooding of a valley

• volcanic lava flow

• tornado

What percentage of energy is passed on to the next trophic level?

• 5%

• 10%

• 50%

• 90%