Natural Selection and Ecology Intro

Temperature, light, air, water, and soil are all ___________ parts of the environment.

• biotic
• abiotic
• dead
• scavenged

All the organisms of a particular type living in the same place at the same time is called a _______.  An example is a herd of deer.

• population
• community
• resource
• ecosystem

What is included in an ecosystem?

• only biotic organisms

• only abiotic organisms

• biotic and abiotic together

• none is correct.

fish, birds, plants, and mammals are all examples of...

• abiotic factors

• plants

• animals

• biotic factors

temperature is an example of...

• a biotic factor

• an abiotic factor

• a biological community

• a biotic factor

Put the levels of organization in an ecosystem in order from the largest to the smallest. 

• population, organism, community
• organism, community, population
• community, population, organism
• community, organism, population

True or False:
The prefix a means not. 

• True
• False

The deer is a(n)

• population

• ecosystem

• organism

• community

The turtles, yellow daisies, carp, lily pads, and frog make up a(n)

• ecosystem

• community

• population

• biome

Which choice best demonstrates the definition of "ecosystem?"

• The turtles sitting on the log.

• The turtles, daisies, frogs, grasses, deer, sun, water and log together in the same area.

• All of the plants in and around the water.

• The sun and water shown in the picture