Biological levels

Question 1

What are the levels of organisation (from smallest to highest)?

Answer 1

Molecules - groups of atoms, smallest unit of most chemical compounds

Question 2

What are the levels of organisation (from smallest to highest)?

Answer 2

Cells - smallest functional unit of life

Question 3

What are the levels of organisation (from smallest to highest)?

Answer 3

Groups of cells - tissues, organs, organ systems

Question 4

What are the levels of organisation (from smallest to highest)?

Answer 4

Organism - individual living thing

Question 5

What are the levels of organisation (from smallest to highest)?

Answer 5

Population - group of organism of the same type, that live in the same area

Question 6

What are the levels of organisation (from smallest to highest)?

Answer 6

Community - populations that live together in the same area

Question 7

What are the levels of organisation (from smallest to highest)?

Answer 7

Ecosystem - Community and its nonliving surroundings

Question 8

What are the levels of organisation (from smallest to highest)?

Answer 8

Biosphere - part of Earth that contains all ecosystems

Question 9

How is an organism that consists of a single cell called?

Answer 9

Unicellular organism

Question 10

How is an organism that consists of many cells called?

Answer 10

Multicellular organism