• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

Card Range To Study



Play button


Play button




Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

36 Cards in this Set

  • Front
  • Back

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

All organisms use the same genetic code.

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

Bacteria, archaea, eukarya

Bacteria and archaea are prokaryotes

All living things within an ecosystem are called a?


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

Light and leaves us Heat

A hypothesis should be

Plausible, testable, falsifiable

The chemical behavior of an atom depends primarily on

The number of valence electrons

What is the atomic number of carbon


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


What is a covalent bond

The sharing of electrons between atoms

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


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

It is reactive or bondable

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

It increases

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

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

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

1 x 10 ^ -4

What are prokaryotes

Unicellular small no nucleus forms of life

What are eukaryotes

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

Where do archaea live typically

Warm or hot places with high sulfur or high salt content

Define tissue

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

Define cell

Basic structural unit and functional unit of life

What does DNA do

Gives the cell a function making proteins

List the levels of life

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

What is evolution

A change in a population over time due to inherited differences

List the properties of life

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

What is homeostasis

A state of biological balance

What is an adaptation

A modification that suits the organism

Define autotroph

Organism that produces its own food

Define heterotroph

An organism that consumes molecules made by something else

Define population

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

What are the four major Elements of Life

Carbon, nitrogen, oxygen, hydrogen

Molecules are?

Two or more atoms bound together

What is an organelle

Parts of a cell

Define tissue

A group of cells

An organism is?

An individual

Define community

A group of population that may have the potential to interact

Define ecosystem

Community plus physical environment

four major themes of biology

Organization, information, energy and matter, interactions