Ecosystems Topic 4

What is it called when a group of the same organisms living together in the same place at the same time?

• An organism
• A population
• A community
• A biome

What are groups of different populations living togther in the same place at the same time called?

• An organism
• A population
• A community
• A biosphere

What is it called when you have groups of different populations along with their abiotic factors?

• An organism
• A population
• A community
• An ecosystem

A duck, a dragonfly, a morel mushroom and a bobcat are all examples of...

• organisms.
• populations.
• communties.
• ecosystems.

Andrea is on the girls cross country team. She is heading out for a run when she comes across 20 Canadian geese. What level of organization is this group of Canadian geese?

• organism

• population

• community

• biome

Abby is walking to school with her best friend Jaylyn. They begin talking about everything they see including the ash trees, grass, weeds, ants, and people. They also notice how cold it is, how there are several large puffy clouds out, and how the sun is just starting to come up.  What level of organization are they discussing?

• community
• ecosystem
• biome
• biosphere

What are the ecological levels of organization from smallest to the largest?

• organism, population, community, ecosystem

• organism, community, population, ecosystem

• organism, population, ecosystem, community

• organism, community, ecosystem, population

A living or once-living organisms in an ecosystem is a

• population
• biotic factor
• abiotic factor
• community

A nonliving element in an ecosystem is an 

• animal
• abiotic factor
• biotic factor
• organism

Which of the following is not an abiotic factor?

• sun
• temperature
• soil
• grass