What Is Life

Question 1

All living things (2)

Answer 1

Increase

Grow

Question 2

About _ species of life on earth

Answer 2

8.7 million

Question 3

Many single-celled organisms move by

Answer 3

Beating hairlike cilia or flagella

Question 4

Energy needed to sustain comes from

Answer 4

Respiration

Question 5

Respiration is a chemical process that takes place inside every

Answer 5

Living cell

Question 6

Respiration breaks down chemical fuels like _ into simpler substances

Answer 6

Sugars

Question 7

By breaking down sugars into simpler substances,

Answer 7

Releases energy that can be used by the organism’s cells

Question 8

The freshwater alga called Dinobryon uses photosynthesis and also

Answer 8

Eats bacteria

Question 9

Carbon can combine with themselves and many types of atoms to

Answer 9

Form huge number of complex compounds

Question 10

One of the basic principles of biology is

Answer 10

Cell theory

Question 11

Cell theory formulated in the

Answer 11

1930s

Question 12

Cell theory states that life is based on

Answer 12

Cells

Question 13

(Cell theory) every living body is made from at least one

Answer 13

Cell

Question 14

(Cell theory) every new cell can only ever arise from

Answer 14

An older cell

Question 15

A living body starts from one cell made by

Answer 15

An older organism

Question 16

Law of thermodynamics

Answer 16

Natural systems always increase in entropy

Question 17

Entropy

Answer 17

Becoming more disordered

Question 18

Metabolic processes of life break down some large molecules and produce heat, which

Answer 18

Increases the entropy of the system as a whole

Question 19

Organism takes in disordered molecules and

Answer 19

Assembles them into organized structures like organs

Question 20

After organizing organs, organism _ which helps increase entropy

Answer 20

Releases heat energy