Capitulo 1

Question 1

What is the basic unit of life?

Answer 1

Cell

Question 2

What separates the cell from its sorroundings?

Answer 2

A membrane

Question 3

What encloses a variety of structures and chemicals in a fluid envitonment?

Answer 3

The cell

Question 4

Some are inherited and occur in sperm or egg cells

Answer 4

Evolution

Question 5

Effects of mutation

Answer 5

Harmless
A decrease in the organism’s ability to function
Death of the organism
An increase in an organisma abolity to survive and reproduce (rare)

Question 6

Explains the diversity pf life on earth

Answer 6

Evolution

Question 7

Are components of DNA and the basic units of heredity

Answer 7

genes

Question 8

Occur when changes in genes are mistakenly copied

Answer 8

Mutations

Question 9

Organisms

Answer 9

Acquire and use material and energy
Actively maintain organized complexity
Perceive and respond to stimuli
Grow
Reproduce
Have the capacity to evolve, collectively

Question 10

Levels of biological organization

Answer 10

atom
molecule
cell
tissue
organ
organ system
multicellular organism
population
species
community
ecosystem
biosphere

Question 11

Is the smallest particle of ana element retaining the properties of an element

Answer 11

Atom

Question 12

Combine to form molecules

Answer 12

Atoms

Question 13

Provide the building blocks of cells

Answer 13

molecules

Question 14

Multicellular organisms are composed of what?

Answer 14

organ systems

Question 15

Organisms of the same type that are capable pf interacting and interbreeding are called?

Answer 15

species

Question 16

Interacting populations make?

Answer 16

Community

Question 17

What is the entire surface of earth including living and nonliving components?

Answer 17

Biosphere

Question 18

A community and it nonliving envirnment is an?

Answer 18

Ecosystem

Question 19

The 3 main griups that scientiste categorize organisms?

Answer 19

Bacteria
Archea
Eukarya

Question 20

Is a thin sheet of molecules sorrounding the cell?

Answer 20

Plasma membrane

Question 21

Are specialized structures that carry out specific functiona

Answer 21

Organelles

Question 22

Consist of prokaryotic

Answer 22

Bacteria and Archea

Question 23

Cell types are named after______ or ______ of a nucleus

Answer 23

Cell types are named after the presence or abscence of a nucleus.

Question 24

Has the cells genetic material

Answer 24

Nucleus

Question 25

Eukaryotic

Answer 25

Larger than prokaryotic
Contain variety of organelles, including a nucleus
Only found among members of the domain Eukarya
Are extremely complex

Question 26

They lack organelles enclosed bu membranes and nucleus

Answer 26

Prokaryotic

Question 27

Biologists use the_______ to name organisms

Answer 27

binomial system