Biology Unit 1 - What do you remember: eco class; com inter

What is an ecosystem?

• All organisms living together along with the nonliving factors of the environment

• Sharing an environment with other populations.

• Group of organisms that can mate and produce offspring.

• Special role an organism plays in the habitat.

What is a community?

• Organisms living in one place with the nonliving factors of the environment.

• Species living in the same place at the same time.

• Organisms sharing the environment with other populations.

• A group of the same species.

What is the term when two species have a close relationship?

• Symbiosis

• Mutualism

• Commensalism

• Parasitism

A collection of organisms that belong to different populations but all live in the same area and interact with one another.

• Population
• Ecosystem
• Community
• Ecosphere

Nonliving factor that affects an ecosystem...

• biotic factor
• abiotic factor
• food chain 
• biome

Identify the examples as: a organism, population, community, or ecosystem.
All speckled sting-ray that live in the Pacific Ocean

• Organism
• Population
• Community
• Ecosystem

Jacob is going out to his grandparents farm. On the farm is a stream that he likes to fish in. While he is fishing he sees many different species of fish as well as maple and oak trees and dragonflies. What Jacob is seeing is an example of what level of organization?

• organism

• population

• community

• ecosystem

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

Antonio and Javier are astronauts in space looking back at Earth and discussing how all the life on Earth interacts with each other as well as the nonliving things. What level of organization are they discussing?

• A community
• A biome
• An ecosystem
• A biosphere

What is the smallest level of ecological organization

• community

• ecosystem

• organism

• population