Levels of Cellular Organization

Question 1

The most basic levels or organization includes __ and ___

Answer 1

atoms and molecules

Question 2

is the smallest unit of a chemical element that

retains the characteristic properties of that element

Answer 2

Atom

Question 3

Atoms are combined chemically to form

Answer 3

Molecules

Question 4

many different types of atoms and molecules

associate with one another to form

Answer 4

Cells

Question 5

basic structural and functional unit of life

Answer 5

Cells

Question 6

are the simplest component of living matter, that carry on all the activities necessary for life

Answer 6

Cells

Question 7

During the evolution of multicellular organisms, CELLS are associated to form

Answer 7

Tissues

Question 8

is a tissue that serves as a protective covering of plants.

Answer 8

Epidermis

Question 9

Most animals have ____ tissue and _____ tissue

Answer 9

muscle and nervous

Question 10

In most complex organisms, tissues organize into functional structures, which in then called

Answer 10

Organs

Question 11

In animals, each major group of biological functions is performed by a coordinated group of tissues and organs that are now called an

Answer 11

Organ System

Question 12

These organ systems function together with great precision and makes up a complex multicellular ____

Answer 12

Organism

Question 13

_____ interact to form more complex levels of

biological organization

Answer 13

Organisms

Question 14

All members of one specie that live in the same geographic area at the same time make up a

Answer 14

Population

Question 15

The populations of organisms that inhabit a particular area and interact with one another form a

Answer 15

Community

Question 16

A community together with its nonliving environment is referred to as an

Answer 16

Ecosystem

Question 17

____ can be just a small pond, or even a puddle.

Answer 17

An ecosystem

Question 18

These _____ can consist of hundreds of different types of organisms

Answer 18

Communities

Question 19

All of the earth’s ecosystem together are known as the

Answer 19

Biosphere

Question 20

The ______ includes all of the earth that’s inhabited by living organisms

Answer 20

Biosphere

Question 21

Examples of Biosphere are

Answer 21

The atmosphere, hydrosphere (water in form), and the lithosphere (earth’s crust)

Question 22

The study of how organisms relate to one another and to their physical environment

Answer 22

Ecology

Question 23

Ecology is derived from the Greek word ____ meaning ____.

Answer 23

‘oikos’; house

Question 24

Hierarchy of the biological organization:

Answer 24

Atoms
Molecules
Cells
Tissues
Organs
Organ/body systems
Organisms
Population
Community
Ecosystem
Biosphere