Sem. 1 Rev Bio

When you step out into the cold, your body shivers in order to keep its temperature at 98.6F. Which characteristic of life does this represent?

• All living things use energy

• All living things contain cells

• All living things maintain homeostasis

• All living things grow

Rocks are not living because

• they never move
• they aren't needed for humans
• they are not made of cells
• they don't break down

The basic unit of structure and function in the human body is the....

• organ
• organ system
• cell
• tissue

A baby song bird hatches from its egg with both parent songbirds watching. Which characteristic of life does this represent?

• All living things reproduce

• All living things maintain homeostasis

• All living things use energy

• All living things grow

Which characteristic is shown: A plant switches position and follows the sunlight throughout the day.

• Grow and develop

• Respond to a stimulus

• Acquire and use energy

• Reproduce

Which of these is not true about all organisms?

• all living things are multicellular

• all living things obtain and use energy

• all living things reproduce

The following list represents characteristics of a living thing :

• made of cells, has lungs, can reproduce

• made of cells, grows and develops, uses energy

• has similar chemicals, makes noises, made of cells

The combination of chemical reactions through

which an organism builds up or breaks down

materials as it carries out its life processes is called ...

• absorption

• metabolism

• digestion

• consumption

Over three years, Tim's height has increased from 5'4" to 5'11". Which characteristic of life does this represent?

• All living things contain cells

• All living things maintain homeostasis

• All living things use energy

• All living things grow

Which of the following is the correct order of organization in living things from most basic (simple) to most complex?

• a.  Organism, cell, tissue, organ, organ system
• a.  Organ system, organ, tissue, cell, organism
• a.  Cell, tissue, organ, organ system, organism
• a.  Cell, organ, tissue, organ, organism, organ system