Characteristics of Living Things

Question 1

The Cell Theory

Answer 1

All living things are made up of cells.

Question 2

Living things require energy in order to remain alive.

How do they obtain and utilize that energy?

Answer 2

Obtain energy from the breaking down of food (organic compounds) with oxygen (catabolic process)

They utilize this energy via metabolic (biochemical) reactions.

Food + O2&raquo_space;> Energy + CO2

Question 3

Living things exhibit growth and development

How does this occur?

Answer 3

Growth results from the accumulation of organic compounds within the organism (anabolic process)

Development is associated with changes in body shape with age.

Eg: sexual maturation//metamorphosis (change shape).

Question 4

Living things responds to changes in the environment.

How?

Answer 4

Response to stimuli

Question 5

Living things re create their kind.

How?

Answer 5

Reproduce

Question 6

Adapts to changes in the environment

How?

Answer 6

Homeostasis (constant state) within individual organism.

Light exposure to the eye; body temperature; O2 levels; blood sugar levels;blood pressure.b