Characteristics of Life and Level of Organization

Question 1

How many characteristics of life are there?

Answer 1

8

Question 2

All organisms have a genetic code made up of ______ .

Answer 2

DNA

Question 3

Growth is _________________ .

Answer 3

increase in mass

Question 4

Development is ___________ .

Answer 4

change in structure

Question 5

Living things ______ to their environment.

Answer 5

respond

Question 6

Sexual Reproduction: genetic information received from _____ parents

Answer 6

two

Question 7

Asexual Reproduction: genetic information received from ____ parents

Answer 7

one

Question 8

What is homeostasis?

Answer 8

The process where internal conditions are kept constant for survival

Question 9

What is the smallest unit of an organism?

Answer 9

a cell

Question 10

What is evolution?

Answer 10

the change in a population over time

Question 11

Molecular Level: Molecules are made up of ______ .

Answer 11

atoms

Question 12

Molecule: short term eneregy

Answer 12

carbohydrates

Question 13

Molecules: long term energy storage, provides innsulation

Answer 13

lipid

Question 14

Molecule: provide structures and act as an enzyme

Answer 14

protein

Question 15

Molecule: store genetic materials (DNA and RNA)

Answer 15

nucleic acid

Question 16

Which level?
a. All living things have at least one cell
b. Cells come from pre-existing cells
c. Cells are the smallest units of life

Answer 16

cellular level

Question 17

Which level?
A group of cells that performs a specific function in a multicellular organism

Answer 17

tissue level

Question 18

Which level?
Several different types of tissues that work together for a specific purpose

Answer 18

organ level

Question 19

Which level?
Several organs that work together to perform a function

Answer 19

organ system level

Question 20

Which level?
An individual living thing

Answer 20

organism level

Question 21

Which level?
A group of organisms of the same species that live in the same location

Answer 21

population level

Question 22

Which level?
All the different species of organisms in a particular location

Answer 22

community level

Question 23

Which level?
The community of living organisms as well as the abiotic (non-living) factors of the environment

Answer 23

ecosystem level

Question 24

Which level?
Large ecosystems that have the same climate and community of organisms

Answer 24

biome level

Question 25

Largest level?
The part of the Earth that contains all ecosystems

Answer 25

biosphere