Hierarchy of Ecosystems

What is the smallest unit of life in an ecosystem?

• Organism

• Population

• Community

• Ecosystem

Tags

TEKS.SCI.6.12C

Which of the following best describes a population in an ecosystem?

• A group of different species living together

• A group of the same species living in the same area

• All living and non-living things in an area

• A single organism

Tags

TEKS.SCI.6.12C

In an ecosystem, what is a community?

• A single organism

• A group of the same species

• Different populations living together

• The physical environment

Tags

TEKS.SCI.6.12C

What term is used to describe all the living and non-living things in a particular area?

• Organism

• Population

• Community

• Ecosystem

Tags

TEKS.SCI.6.12C

What is the role of a community in an ecosystem?

• It consists of a single species

• It includes all living organisms in an area

• It is the physical environment

• It is a single organism

Tags

TEKS.SCI.6.12C

Which of the following is NOT part of the hierarchical organization of an ecosystem?

• Organism

• Population

• Community

• Climate

Tags

TEKS.SCI.6.12C

Which of the following best describes the term "ecosystem"?

• A single organism

• A group of the same species

• A community and its physical environment

• A population of plants

Tags

TEKS.SCI.6.12C

A tiger, a pine tree, and a bluebonnet are all ______

• organisms

• non-living things
• communities

• populations

Tags

NGSS.MS-LS1-1

In the hierarchy of ecosystems, what would go in number 1 (the smallest one)?

• Community
• Organism
• Ecosystem

• Population

In the hierarchy of ecosystems, what would go in number 2 (the second smallest)?

• Community
• Population
• Ecosystem
• Organism