Characteristics of Life

Question 1

What are the IB characteristics of life?

Answer 1

1) Made of cells
2) Life maintains homeostasis
3) Responds to its environment
4) growth and development
5) reproduction
6) nutrition
7) metabolism
8) excretion

Question 2

Explain how living organisms are made of cells?

Answer 2

life is made of cells. All life has a cellular structure.

Question 3

How do living organisms maintain homeostasis?

Answer 3

All life maintains an internal environment that is different from the external environment.

Question 4

How do living organisms respond to their environment?

Answer 4

Life responds to stimuli.

An environmental factor causes life to change behavior or physiology.

Question 5

How do organisms grow/develop?

Answer 5

Over time an organism will change and or enlarge

Question 6

How does life reproduce?

Answer 6

Cell and or organisms make more of themselves

Question 7

Why does life require nutrition?

Answer 7

Energy is needed to fuel life processes

Question 8

What is metabolism?

Answer 8

Chemical reactions of life

Question 9

What does life excrete?

Answer 9

Waste products of metabolism