Ecology 4.02 Community Characteristics

Ecology

Lesson 4.02

Community Characteristics

by Angela Roberts

Open Ended

In your own words, how is a population different from a biological community?

Multiple Choice

Which of the following would be considered a biological community?

• a group of white-tailed deer running through a forest

• lions hunting antelope which eat the grass in the savanna

• a single giraffe eats the leaves off of a tree in the forest

• earthworms are living in the soil

Open Ended

What is the difference between a habitat and an ecological niche?

Multiple Choice

Can two different species occupy the same habitat and have the same niche?

• Yes! Many species do this easily!

• Yes, but with accommodations to share resources.

• No, this never happens.

Fill in the Blanks

If two different species occupy the same habitat and share the same ecological niche,

would occur.

Multiple Choice

The numbers and types of species present in a biological community is called ______.

• community structure

• community dynamics

• community flow

• community basics

Multiple Choice

How communities change over time is called ______

• community structure

• community dynamics

• community flow

• community basics

Multiple Choice

Which of the following parts of a community has the greatest biomass in ecosystem?

• keystone species

• dominant species

• foundation species

• endangered species

Multiple Choice

Which of the following parts of a community helps hold the food web together and has a disproportionate impact on ecosystem compared to the number of organisms present?

• keystone species

• dominant species

• foundation species

• endangered species

Multiple Choice

Which of the following parts of a community includes a species that will likely soon be considered endangered?

• threatened species

• extinct species

• foundation species

• endangered species

Multiple Choice

Which of the following parts of a community includes a species that will likely soon be extinct?

• threatened species

• dominant species

• foundation species

• endangered species

Multiple Choice

Which of the following parts of a community includes a species that makes a big impact on the environment/habitat in the ecosystem?

• threatened species

• dominant species

• foundation species

• keystone species