Biology, Life, and Science

Question 1

What is life?

Answer 1

A chemical system that evolves over time containing a molecule that can make copies of itself.

Question 2

What were the first cells and how long ago?

Answer 2

Bacteria 3.5-4.0 mya

Question 3

How old is Earth?

Answer 3

4.543 billion years old

Question 4

Six characteristics of living things:

Answer 4

Are organized and complex
Take-in materials and energy
Actively respond
Reproduce and develop
Have adaptations
Self-regulate

Question 5

99% of the energy on Earth comes from what?

Answer 5

The sun

Question 6

What is the most important biological process on Earth?

Answer 6

Photosynthesis

Question 7

What is metabolism?

Answer 7

All the chemical reactions within a cell

Question 8

What is behavior?

Answer 8

All the responses of an organism to its environment

Question 9

What are structural adaptations?

Answer 9

Physical changes like a coat color change

Question 10

What are behavioral adaptations?

Answer 10

Adaptations organisms do to survive