Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Ecology
Flashcards for LS.lll
| Term | Definition |
|---|---|
| Autotroph | Produces its own food |
| heterotroph | eats others organisms |
| Organisms | individual plant, animal, or single-celled life form |
| Habitat | natural home or enviorment of an animal/plant |
| biotic factor | living component that shapes the ecosystem |
| abotic factor | A non-living part of an ecosystem that shapes its environment (e.g., sunlight, temperature). |
| Species | A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. |
| Population | A group of individuals of the same species living in a specific geographical area. |
| Community | All the different populations that live together in an area. |
| Ecosystem | A community of living organisms interacting with their physical environment. |
| Ecology | The study of how organisms interact with one another and their environment. |
| Immigration | The movement of individuals into a population. |
| Emigration | The movement of individuals out of a population. |
| Population density | The number of individuals per unit area or volume. |
| Limiting factor | Anything that constrains a population's size and slows or stops it from growing (e.g., food, space). |
| Carrying capacity | The maximum population size of a species that an environment can sustain indefinitely. |
| Natural Selection | The process where organisms better adapted to their environment tend to survive and produce more offspring. |
| Adaptation | A change or the process of change by which an organism or species becomes better suited to its environment. |
| Niche | The role an organism plays in its community. |
| Competition | The struggle between organisms to survive in a habitat with limited resources. |
| Predation | An interaction where one organism (the predator) kills another (the prey) for food. |
| Mutualism | A relationship between two species in which both species benefit. |
| Commensalism | A relationship between two organisms in which one benefits and the other is neither helped nor harmed. |
| Parasitism | A relationship where one organism lives on or inside another and harms it. |
| Parasite | An organism that lives in or on an organism of another species (the host) and benefits by deriving nutrients at the host's expense. |
| Host | An animal or plant on or in which a parasite lives. |
| Succession | The series of predictable changes that occur in a community over time. |
| Primary Succession | Succession that begins in an area with no remnants of an older community (e.g., bare rock). |
| Pioneer Species | The first species to populate an area during primary succession (e.g., lichens). |
| Secondary Sucession | Succession that occurs in an area that was only partially destroyed by disturbances (e.g., after a forest fire). |
| Producer | An organism that makes its own food (synonym for autotroph). |
| Consumer | An organism that obtains energy by feeding on other organisms (synonym for heterotroph). |
| Herbivore | A consumer that eats only plants. |
| Carnivore | A consumer that eats only plants. |
| Omnivore | A consumer that eats only animals. |
| Scavenger | A consumer that eats both plants and animals. |
| Decomposer | A carnivore that feeds on the bodies of dead organisms. |
| Food chain | An organism that breaks down wastes and dead organisms (e.g., fungi and bacteria). |
| food web | A linear series of events in which one organism eats another and obtains energy. |
| Energy pyramid | The pattern of overlapping food chains in an ecosystem. |
| Nitrogen fixation | A diagram that shows the amount of energy that moves from one feeding level to another. |
| Biome | The process of changing free nitrogen into a usable form of nitrogen for plants. |
| Climate | A group of ecosystems with similar climates and organisms. |
| Desert | The average annual conditions of temperature, precipitation, winds, and clouds in an area. |
| Rain forest | An extremely dry area with little water and few plants. |
| Emergent Layer | A forest with high humidity and heavy rainfall. |
| Canopy | The tallest layer of the rain forest that receives the most sunlight. |
| Understory | A leafy roof formed by tall trees in a rain forest. |
| Grassland | A layer of shorter plants that grow in the shade of a forest canopy. |
| Savanna | An area populated mostly by grasses and other non-woody plants. |
| Deciduous tree | A grassland located close to the equator that may include shrubs and small trees. |
| Boreal forest | A tree that sheds its leaves during a particular season and grows new ones each year |
| Coniferous tree | Dense forest of evergreens located in the upper regions of the Northern Hemisphere (also called Taiga). |
| Tundra | A tree that produces its seeds in cones and has needle-shaped leaves. |
| Premafrost | An extremely cold, dry biome. |
| Estuary | |
| intertidal zone | |
| neritic zone | |
| Biogeography | |
| Continental drift |
Created by:
user-2020371