Bio 1010 Test 1

Front 1

Is strong piece of evidence demonstrating the unity of life and relatedness of all organisms is?

Back 1

All organisms use the same genetic code.

Front 2

Living things are divided into three different domains name the three domains and specify the ones that are prokaryotes.

Back 2

Bacteria, archaea, eukarya

Bacteria and archaea are prokaryotes

Front 3

All living things within an ecosystem are called a?

Back 3

Community

Front 4

Matter cycles within an ecosystem, but energy enters the ecosystem as?

Back 4

Light and leaves us Heat

Front 5

A hypothesis should be

Back 5

Plausible, testable, falsifiable

Front 6

The chemical behavior of an atom depends primarily on

Back 6

The number of valence electrons

Front 7

What is the atomic number of carbon

Back 7

6

Front 8

Carbon -14 is heavier than carbon 12 because carbon-14 has how many neutrons

Back 8

8

Front 9

What is a covalent bond

Back 9

The sharing of electrons between atoms

Front 10

An atom with an atomic number of 10 will be highly reactive with another atom true or false

Back 10

False

Front 11

What are two properties of water that make it an excellent solvent for life

Back 11

It is reactive or bondable

Front 12

If you add pure NaOH to water what will happen to the pH

Back 12

It increases

Front 13

If the pH of a solution changes from 5 to 7 it means that

Back 13

Concentration of OH- is 100 times greater than what it was at pH 5

Front 14

What is the H+ concentration of a solution that has a pH of 4

Back 14

1 x 10 ^ -4

Front 15

What are prokaryotes

Back 15

Unicellular small no nucleus forms of life

Front 16

What are eukaryotes

Back 16

Living things with one or more cells the cells containing a nucleus

Front 17

Where do archaea live typically

Back 17

Warm or hot places with high sulfur or high salt content

Front 18

Define tissue

Back 18

Group of cells with a common function such as organs organ systems

Front 19

Define cell

Back 19

Basic structural unit and functional unit of life

Front 20

What does DNA do

Back 20

Gives the cell a function making proteins

Front 21

List the levels of life

Back 21

Atom, molecule, macromolecule, organelle, cell, tissue, organ, organism, population, community, ecosystem, biosphere

Front 22

What is evolution

Back 22

A change in a population over time due to inherited differences

Front 23

List the properties of life

Back 23

Organized, response to stimuli, reproduces, growth or development, regulation, homeostasis, energy processing, adaptation

Front 24

What is homeostasis

Back 24

A state of biological balance

Front 25

What is an adaptation

Back 25

A modification that suits the organism

Front 26

Define autotroph

Back 26

Organism that produces its own food

Front 27

Define heterotroph

Back 27

An organism that consumes molecules made by something else

Front 28

Define population

Back 28

The group of the same species in the same time and place (Evolution happens at this level)

Front 29

What are the four major Elements of Life

Back 29

Carbon, nitrogen, oxygen, hydrogen

Front 30

Molecules are?

Back 30

Two or more atoms bound together

Front 31

What is an organelle

Back 31

Parts of a cell

Front 32

Define tissue

Back 32

A group of cells

Front 33

An organism is?

Back 33

An individual

Front 34

Define community

Back 34

A group of population that may have the potential to interact

Front 35

Define ecosystem

Back 35

Community plus physical environment

Front 36

four major themes of biology

Back 36

Organization, information, energy and matter, interactions