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;
9 Cards in this Set
- Front
- Back
|
Biology |
The science that seeks to understand the living world. |
|
|
Cell |
A collection of living matter enclosed by a barrier that separates the cell from its surroundings. |
|
|
Sexual reproduction |
Cells from two different parents unite to produce the first cell of the new organism |
|
|
Asexual reproduction |
The new organism has a single parent . |
|
|
Metabolism |
The combination of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes |
|
|
Stimulus |
Is a signal to which an organism responds |
|
|
Homeostasis |
Process by which organisms maintain a relatively stable internal environment |
|
|
What are some characteristics of living things |
•living things are made up of units called cells •based on a universal genetic code •grow and develop •obtain and use materials and energy •respond to their environment •maintain a stable internal environment •taken as a group, living things change over time |
|
|
How can life be studied at different levels? |
Some of the levels at which a life can be studied include molecules, cells, organisms, populations of a single kind of organism, communities of different organisms in an area, and biosphere. |
