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;
25 Cards in this Set
- Front
- Back
Atoms |
Fundemental building blocks of life. |
|
Molecule |
Atoms bonded together. |
|
Cell |
Smallest unit of life. |
|
Living organism are composed of |
Cells |
|
Population |
Group of interbreeding species. |
|
Community |
All the living organisms in an area. |
|
Ecosystem |
Organisms and the environment. |
|
Biosphere |
All environments, water, ect. |
|
Nucleus |
Specialized structure. |
|
Unifying characteristics of life |
- Require constant inputs of energy. - Respond to change. - Pass DNA to offspring. |
|
Single significant source of energy |
Sun |
|
Needed for the work of life |
Energy |
|
Nutrients |
Substance life needs to grow and survive but can not produce itself. |
|
Producer |
Produce their own food using energy and raw materials from nonbiological sources. Plants. |
|
Consumer |
Gets energy from eating other organisms. Animals. |
|
Growth |
Increase in size, number, or volume of cell. |
|
Development |
First cell gives rise to adult. |
|
DNA |
Transports information for all life's development. |
|
Biodiversity |
Living things differ tremendously. |
|
Prokaryotes |
Organisms without nucleus. |
|
Eukaryotes |
Organisms whose DNA is in nucleus. |
|
Species |
Organisms of same kind. |
|
Critical thinking |
Judging the quality of information before you accept it. |
|
Hypothesis |
Testable explanation. |
|
Scientific method |
Method of testing and evaluating hypothesis. Ask, research, hypothesis, experiment, analyze, communicate. |