1.3 Studying Life

Question 1

What is biology?

Answer 1

The study of life and living things.

Question 2

In what two Greek words biology divides?

Answer 2

In bios which means life and logos which means study of.

Question 3

Living things are made up of basic units called

Answer 3

Cells

Question 4

What characteristics do all living things share?

Answer 4

Have cells, DNA, obtain and use energy, grow and develop, reproduce, respond to their environment, maintain homeostasis, and change over time.

Question 5

A genetic code

Answer 5

DNA

Question 6

Is information that is copied and passed from parent to offspring.

Answer 6

DNA

Question 7

Smallest units of an organism

Answer 7

Cells

Question 8

Is a collection of living matter enclosed by a barrier that separates the
cell from its surroundings.

Answer 8

A cell

Question 9

Is a signal to which a
living thing reacts.

Answer 9

Stimulus

Question 10

Living thing reproduce in two types:

Answer 10

Sexual and Asexual

Question 11

Cells from two parents
come together to form the first cell of a new
living thing.

Answer 11

Sexual Reproduction

Question 12

A single-celled organism divides in half to
form two new organisms.

Answer 12

Asexual Reproduction

Question 13

Is any process with which a living thing keeps itself alive

Answer 13

Homeostasis

Question 14

Is the process by which living organisms maintain a stable internal environment despite changes in external conditions.

Answer 14

Homeostasis

Question 15

Is a chemical
reactions through which a living thing
builds up or breaks down materials

Answer 15

Metabolism

Question 16

Living things are made up of only a single cell are called

Answer 16

Unicellular organisms

Question 17

Plants and animals are unicellular or multicellular

Answer 17

Multicellular organisms

Question 18

Life needs _______ that serves as nutrients to build body parts and energy that fuels the body.

Answer 18

matter

Question 19

“Living planet’’

Answer 19

Biosphere

Question 20

Multi-cellular organisms typically go through a
process called

Answer 20

Development

Question 21

As cells divide, they change in shape and structure in a process called

Answer 21

Differentiation

Question 22

Change over time in living things is called

Answer 22

Evolution

Question 23

What are the biological principles of living things

Answer 23

-Cellular Basis
-Information and Hereditary
-Matter and Energy
-Structural and Functional
-Reproduction
-Movement
-Evolution
-Unity and Diversity

Question 24

All the reactions by which a living thing builds
up and breaks down matter is its _______.

Answer 24

Metabolism

Question 25

The part of Earth where living things are found
is called the __________.

Answer 25

Biosphere

Question 26

All the information that an animal needs to live
is stored in it

Answer 26

DNA