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;
26 Cards in this Set
- Front
- Back
|
Ecosystem |
Biotic and abiotic factors that interact to sustain life |
|
|
Food Web |
A complex combination of food chains |
|
|
Bioaccumulation |
The process of harmful molecules building up in organisms through the food chain |
|
|
Population Density |
The number of organisms per unit area. (nopes per square meter) |
|
|
Carbon cycle |
Carbon dioxide is used by the plants to produce glucose which is eaten by animals and released through cell respiration as carbon dioxide.
|
|
|
Nitrogen cycle |
Bacteria make nitrogen gas(in the air) accessible to plants. Plants use nitrogen to make proteins which are eaten by animals and releases as waste into the soil. |
|
|
Biodiversity |
Diversity of life |
|
|
Sustainable |
Able to last for a long time |
|
|
Niche |
The specific place for an organism in the ecosystem. A combination of their habitat, relationships and interactions. |
|
|
Invasive Species |
A species that was introduced to an area. Often causes problems by out-competing other species in the area |
|
|
Native species |
A species that has lived in an area for many, many years and fits into the ecosystem well. |
|
|
Succession |
The process of an ecosystem recovering from disaster. |
|
|
Non-renewable |
Sources of energy or resources that will eventually be used up. |
|
|
Renewable |
Sources of energy that can be re-used or that will last forever. |
|
|
Unintended Consequences |
Things that may happen that you did not expect or want |
|
|
Natural Selection |
Survival of the fittest. The organisms with the best traits get to survive and reproduce. |
|
|
Speciation |
The process by which new species are formed |
|
|
Evolution |
Changes in a population over time |
|
|
Common Ancestor |
Two species today may have been linked by this |
|
|
Embryology |
Studying development of organisms |
|
|
Herbicide |
Plant Killer |
|
|
Pesticide |
Bug killer |
|
|
Carrying Capacity |
The number of organisms that can be sustained by an ecosystem |
|
|
Mutation |
Any change in the DNA |
|
|
Cell Respiration |
The process of producing ATP from glucose and oxygen. Happens in all living organisms. Other by-products include carbon dioxide and water |
|
|
Species |
A group of organisms that can reproduce together successfully. |
