Levels of Organization

Front

What is a group of cells that are alike and work together?

Back

A tissue.

Front

For single-celled organisms, _____ is mostly an increase in size. Multicellular organisms go through a process called __________, where cells divide and differentiate into different kinds of cells.

Back

Growth, development.

Front

Maintaining a stable internal environment is called?

Back

Homeostasis.

Front

Organs that work together are part of a(n) ________________________.

Back

Organ system.

Front

What is the smallest unit of life?

Back

A cell.

Front

What is the process by which cells become specialized for different functions?

Back

Differentiation.

Front

What is the term for a group of tissues that work together to perform a specific function?

Back

An organ.

Front

What is the term for the ability of an organism to maintain a stable internal environment despite changes in external conditions?

Back

Homeostasis.

Front

What is the hierarchy of biological organization from smallest to largest?

Back

Cell, tissue, organ, organ system, organism.

Front

What is the term for a group of organs that work together to perform complex functions?

Back

An organ system.