RT3.1

The basic unit of structure and function in living things.

• organism

• cell

• response

• stimulus

Any change or signal in the environment that can make an organism react in some way.

• organism

• cell

• response

• stimulus

An action or change in behavior that occurs as a result of a stimulus.

• organism

• cell

• response

• stimulus

__________ organisms consist of many cells. Humans are __________ organisms with trillions of cells specialized to do certain tasks.

• single celled

• multicellular

All organisms need ________ to power their cells.

• stimuli

• energy

• sunlight

• to eat

Some organisms, called __________, can get energy from sunlight in a process known as photosynthesis.

• producers

• consumers

• decomposers

Some organisms, called ___________, get energy by eating other living things.

• producers

• consumers

• decomposers

The process of grouping things based on their similarities.

• species

• classification

• genus

• taxonomy

All living things

• can see in the dark

• get cold in the winter

• spread corona virus

• exchange gases

This image best represents which of the following characterists of life?

• growth

• levels of organization

• ability to reproduce

• composed of cells

• respond to the environment