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 Blank

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