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;
35 Cards in this Set
- Front
- Back
cell
|
A cell is th basic unit of structure and basic unit of structure in an organism
|
|
all liveing things have
(6) |
Cellular organization
Contain simular chemicals use energy grow and devolp resond to their surrounding Reproduce |
|
resolution
|
the ability to clearly distinguish the indevidual parts of an object
|
|
magnification
|
is the ability to make things look larger than the seem
|
|
cell theory
|
a widely acceped explaination of the relationship between cells and all living things
the cell theory states: 1. All living things are composed of cells . 2.Cells are the basic unit of structure and function in all living things. 3. All cells are are produced from other cells |
|
Rudolf Virchow
|
proposed that new cells are formed only from existing cells "all cells come from cells"
|
|
compound microscope
|
A light microscope that has more than one lens
|
|
microscope
|
is an instrument that makes small objects looks larger
|
|
microscope made it possible
|
for people to and learn and discover cells
|
|
development
|
is the process of of change that occers during an organism's life to produce a more complex organism
|
|
multicellular
|
organisms are composed of many cells
|
|
unicellular
|
single celled organisms, include the most numerous organisms on Earth
|
|
organisms
|
Living Things
|
|
convex lens
|
a lens with a curved shape.
|
|
Anton van Leeuwenhoek
|
observed tiny organismswith microscopes. he saw one celled organisms, which he called called animalcules- meaning little animals. ALso the first person to see the tiny singled celled organisms called bacteria.
|
|
Mattias Schleiden
|
Concluded that all plant s are made of cells
|
|
Theodor Schwann
|
Conduded that all animals are made of cells
|
|
Robert Hooke
|
He is one of the first people to observe cells. In 1663 he observed the structure of a thin slice of cork.
|
|
Stimulus
|
A change in an organism's surrounding that causes the organism to react
|
|
Response
|
An action or change in behavoir
|
|
Reroduce
|
produce offspring that are simular to the parents
|
|
Spontaneous Generation
|
The mistaken idea that living things arise fom nonliveing souces.
|
|
Contolled Experiment
|
A Scientist carries out two tests that are idendical in every respect except for one factor.
|
|
Francesco Redi
|
He Designed a controlled experiment to show that flies do not spontaneouly arise4 from decaying meat involveing meat
|
|
Louis Pasteur
|
He Finally Designed some controlled experiments that finnally disproved spontanious generation involeing broth
|
|
Basic needs of living things
(4) |
Energy
Water Living space Stable Internal conditions |
|
Autotrphs
|
Organisms that make thier own food
|
|
Heterotrophs
|
Organisms that cannot make their own food
|
|
Homeostasis
|
The maintenance of stable interal conditions despite changes in the surroundings
|
|
Organelles
|
Tiny cell stuctures that carry out specific functions within a cell
|
|
Vacuoles
|
a sack that is the storege of a cell
|
|
Lysosomes
|
are small round structures that containchemicals that break down large food particles into smaller ones
|
|
prokaryotes
|
organisms whose cells lack a nuclues
|
|
eukaryotes
|
Organisms whose cells contian a nuclues and many of the organelles
|
|
nerve cells
|
carry mesages through out the body
|