Introduction to Living Things

Which of these do living organisms NOT need to survive?

• air
• family
• water
• shelter

Which of these is an example of homeostasis?

• A snake resting in the sun on a hot day and becoming too hot

• A human losing too much body heat and experiencing hypothermia

• A person Sweating when they are getting too hot.

• A human running too hard and getting dehydrated

All living things share common characteristics, such as; made of cells, use energy, reproduce, grow and what else?

• have 20 year life cycles
• breathe with lungs
• have legs
• respond to change

How do producers get energy?

• break down dead organisms
• burn fossil fuels
• make their own food
• eat other organisms

Your pupils get small in bright light, the light acts as what?

• cell
• stimulus
• homeostasis
• consumer

When offspring share characteristics from 2 parents, this is called what ?

• sexual reproduction
• asexual reproduction

The genetic material that controls the structure and function of cells is called what?

• cell membrane
• DNA

The smallest structures that can perform life functions are called...

• cells
• bacteria
• DNA
• viruses

__ are organisms that can make their own food from sunlight energy.

• producers
• consumers
• decomposers
• all living things

A bacteria cells is made of one cell.  This is called...

• multicellular
• unicellular