Principles of Life

Question 1

What is the Hierarchy of Life
(atoms→ biosphere;)

Answer 1

atom,(molecule, macromolecule, organelle, cell, tissue, organ, organ system,) organisms, population, community, ecosystem, biome, and biosphere.

Question 2

Characteristics of Life:

G.R.A.C.E

Answer 2

G - growth and developement
R - reproduction
A - adaptation and responce
C - made of cells
E - energy

Question 3

respond

Answer 3

to their surroundings to get back to their “normal state” - known as homeostasis

Question 4

cells

Answer 4

• living things have to be made of these basic units
• smallest living unit in an organism