Characteristics of Life
Key Terms
100

All of the chemical reactions that occur in cells

Metabolism
100
____________ is the maintenance of a relatively stable internal environment.

Homeostasis

200

Name four of the ten characteristics of life all organisms have

movement

responsiveness

growth

reproduction

respiration

digestion

absorption

circulation

assimilation

excretion

200

The branch of science that studies the morphology of body parts

Anatomy

300
breakdown of food substances into simpler forms that can be absorbed and used

digestion

400

Changing absorbed substances into chemically different forms

Assimilation

500

What environmental factors are necessary for life?

water

food

oxygen

heat 

pressure 

M
e
n
u