Characteristics of Life

The scientific name for something living is a(an)

• organism
• cell
• tissue
• human

The smallest unit of life is a(n)

• atom

• cell

• molecule

• particle

Multicellular means

• made of many cells

• made of one kind of cell

• made of only one cell

What does reproduce mean?

• to grow - get larger

• to change as you grow

• Organisms make other organisms

• to react to the environment

During ___________ conditions inside our body are kept stable (the same)

• homeopathic

• homeogenous

• homeostasis

• homologous

Plants get energy from the sun while animals get energy from

• condensation

• eating food

• photosynthesis

• sleeping

All of the following are characteristics of all living things EXCEPT

• Respond to stimulus
• Grow and develop
• maintain homeostasis
• Movement

Pick the true statement about cellular organization:

• cells working together make tissues
• cells working together make organs
• tissues working together make organ systems
• organs working together make cells

Which is the most complex of the choices below?

• cell
• tissue
• organ
• organ system

A _____ is something in the environment that causes an organism to respond.

• stimulus
• response
• cause
• effect