Levels of Biological Organization

What is the smallest independent functional unit of a living organism?

• cell

• microbe

• molecule

• germ

Which of the following is a function of a cell?

• regulate internal environment

• respond to its environment

• develop and maintain its complex organization

• all of the above

What is made of cells with similar structures and functions?

• tissue

• organ

• system

• individual

It is a system of tissues that work together on a larger scale to do certain jobs within an animal's body.

• cell

• tissue

• organ

• system

Which of the following is not part of the group?

• heart

• lungs

• kidneys

• epithelial cells

What do you call the group of organs that work together to perform a specific body functions.

• cell

• organ

• tissue

• organ system

It is an individual living thing that may be made up of one or more organ system that carries out all the basic life functions.

• organ

• organ system

• organism

• organization

Which level of biological organization is in the correct order?

• organ-tissue-cell-organ system-organism

• cell-tissue-organ-organ system-organism

• organism-organ system-tissue-organ-cell

• cell-tissue-organ-organism-organ system

What is a group of multiple organisms of the same species within a specific area?

• population

• people

• environment

• ecosystem

It consists of all the different species within a certain area.

• population

• community

• ecosystem

• biosphere