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
| Term | Definition |
|---|---|
| ecology | study of interactions between organisms and their environment |
| species | group of organisms that reproduce fertile offspring |
| biosphere | place on the earth containing living organisms |
| ecosystem | group of organisms that interact with their environment as a unit |
| habitat | place on planet where plants or animals live |
| population | all members of same species in an area |
| community | all different populations in an area |
| abiotic | non living factors |
| biotic | living factors |
| edaphic | soil factors |
| climatic | long term weather factors |
| food chain | sequence of organisms in which each one is eaten by the next member in the chain |
| trophic level | each feeding level in food chain |
| food web | two or more interlinked food chains |
| pyramid of numbers | number of organisms at each trophic level in food chain |
| flora | all plants in ecosystem |
| fauna | all animals in ecosystem |
| producers | make own food by photosynthesis |
| consumers | take in food from another organism |
| decomposers | feed on dead organic matter |
| detritus | feeds on small pieces of dead organic matter |
| niche | role of organism in community |
| pollution | harmful additions to the environment |
| conservation | wise management of existing resources in ecosystem to maintain habitats and prevent death and extinction |
| competition | organisms actively struggle for a resource in short supply |
| intra specific comp | members of same species |
| inter specific comp | members of different spevies |
| contest comp | active physical contest between two individual organisms for resource |
| scramble comp | all competing individuals get some of resource |
| predation | catching killing and eating of other organism |
| parasitism | two organisms living in close proximity of each other and one obtains its food from the other |
| symbiosis | two organisms of different species live in close association with another where both benefit from it |
| nutrient recycling | ways in which elements are exchanged between living and non living components of ecosystem |
| Conservation | Wise management of our environment |
| Pollutant | Any harmful addition to the environment |
| Pollution | addition of harmful substances to our environment |
| Population | Number of particular species in a specific ecosystem |
| Waste Management | Way we deal with our waste |
| Contraception | Protection against fertilisation and pregnancy |
| Capture-Recapture | Quantitative method to estimate size of population of given species of motile animal |
| Cryptozoic trap | Piece of equipment left on ground that can be used to collect animals during ecolgy study |
| plankton net | Net used to collect microscopic animals and plants from ponds, rock pools and streams |
| pooter | collects small animals from surface of leaves and leave matter |
| quadrat | Square frame used to mark out area of a habitat |
| Quantitative | Records number of species present in ecosystem |
| Qualitative | Records if species are present or not in ecosystem |
| Subjective | visual estimate of number of plants and animals in area |
| transect | non random sampling technique used to study changes in vegetation and animal life across habitat |
| tullgren funnel | apparatus used to extract small animals from leaf litter |
Created by:
cilly