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56 Cards in this Set

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What is the age of the Earth?
10 billion years old
When did life begin?
3.5-4.0 Billion years ago.
Biology?
The study of Life
Ecology?
Study of environment
Adaptation
changes and organism makes to survive an environmental change.
morphology.
study of anatomy of organisms.
diversity?
different kinds or life.
who is Linneaus?
Father of modern taxonomy. made the key.
dichtomous key?
has 2 questions to determine the unknown
Phylogenic tree?
diagram, helps show relationships between organisms.
Includes bacteria that is primitive and doesn't use oxygen.
Archeobacteria.
Uses oxygen
Eubacteria.
Makes own food?
Plantae.
Protozoa, algae, has nucleus, single celled.
Protista.
mushrooms, spores, yeast
fungi
What are Arthropoda, chordata?
Phylums
What is Arthropoda?
jointed legs, and thick shell
What is Chordata?
animals with spinal cord.
Insecta?
organism with 3 pairs of legs 3 body segments, have wings.
mamalia?
warm blooded, connection between embryo called placenta.
What does autotrophic mean?
organismas that make their own food.
What does heterotrophic mean?
find their own food.
your results, variable that happens during experiment.
Dependent variable.
what the scientist changes?
Independent variable.
the things you keep the same in an experiment.
control.
aerobic
uses oxygen to release energy.
anaerobic
doesnt use oxygen to realease energy.
Chemical energy used by the cell.
ATP
cells that have a full set of chromosomes.
body cells
sex cells, have 1/2 the chromosomes.
gametes.
The fertilized egg is called?
Zygote.
what 3 things are in the atom? and what are their charges?
proton (+), electron (-), and Neutron (+-)
What does this describe: polar molecule, best solvent, floats when solid?
Water
What is pH?
measurment of acids and bases
What is the strongest acid?
1.
Strongest base?
14
Neutral?
7.
What is Kinetic Energy?
Energy in motion
What is potential energy?
Energy being stored.
What is activation energy?
energy needed to start a reaction
what is thermal energy?
heat.
always have carbon and hydrogen?
Organic molecules.
Sugars, starches, and cellulose, are examples of:
Carbohydrates
oils and fats are examples of: and they are used for:
Lipids; energy.
Proteins are?
tissues for growing, enzymes.
DNA, RNA, ATP, are:
nucleic acids.
Smallest basic unit of a molecule is a(n)?
Atom
How do you find atomic mass?
Protons + nutrons.
How do you find the atomic number?
number of protons.
What is the solute?
substance being disolved
What is the solvent?
substance doing the disolving.
what is most dense, and least dense?
Most-solid, least- gas
Bonds between atoms sharing electrons are called?
covalent bonds
Bonds between atoms giving the electrons are called?
[strongest bond]
ionic.
no electrons in this bond? [weakest]
hydrogen bond
a molecule the one end has one charge and the other end has a different charge is called?
a Polar Molecule