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;
17 Cards in this Set
- Front
- Back
|
Cell |
A cell is the basic unit of structure and function in an organism. |
|
|
Stimulus |
A change in an organism's surroundings which causes it to react. |
|
|
Response |
An action or change in a behavior. |
|
|
Spontaneous Generation |
The mistaken idea that living things can arise from nonliving sources. |
|
|
Homeostasis |
The maintenance of stable internal conditions. |
|
|
Classification |
The process of grouping things based on their similarities. |
|
|
Taxonomy |
The scientific study of how living things are classified. |
|
|
Genus |
Classification grouping that contains similar , closely related organisms. |
|
|
Species |
Group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce. |
|
|
Prokaryote |
Organisms whose cells lack a nucleus. |
|
|
Nucleus |
A dense area in the cell that contains nucleic acids. |
|
|
Cell Theory |
All living things are composed of cells. Cells are the basic unit of structure and function in living things. All cells are composed from other cells. |
|
|
What did Schleiden conclude |
All plants are made of cells. |
|
|
What did Schwann conclude |
All animals are made of cells. And all living things are made of cells. |
|
|
What did Virchow conclude |
All cells are made from preexisting cells. |
|
|
Cell wall |
Rigid layer of nonliving material that surrounds the cells of plants. |
|
|
Ribosome |
Small, grain like bodies. |
