Life on Earth Buzz Words

HideShow resource information
Abiotic
A non living element of an ecosystem
1 of 46
Biodiversity (1)
The variety of species present in the community of an ecosystem
2 of 46
Biodiversity (2)
The wide range of animals and plants in the world
3 of 46
Biome
Various regions of the planet distinguished by climate and distinctive groups of plants
4 of 46
Species
Group of organisms capable of breeding with each other to produce fertile offspring
5 of 46
Population
All the organisms of one species found in a particular area
6 of 46
Niche
The role an organism plays in its community
7 of 46
Habitat
Place that an organism lives in
8 of 46
Grazing
When animals feed on grass
9 of 46
Flora
All types of plant species that live in a specific area
10 of 46
Fauna
All the different types of animals that live in a specific area
11 of 46
Community
All the organisms present in an ecosystem
12 of 46
Biomes
Major world communties of plant and animal life
13 of 46
Ammonium
A nitrogen-containing waste product formed by the decomposition of bacteria
14 of 46
Competition
The intercation between organisms after the same limited resources
15 of 46
Producer
A green plant that makes its own food by photosynthesis
16 of 46
Consumer
An organism that obtains its energy by eating other organisms
17 of 46
Decomposer
An organism which eats dead organisms or animal droppings, and breaks them down into simple materials
18 of 46
Denitrifying Bacteria
The bacteria that converts nitrates in the soil into nitrogen gas which is released into the atomsphere
19 of 46
Nitrifying bacteria
The bacteria that produce nitrate which is released into the soil
20 of 46
Interspecific competition
Competition that occurs between organisms of two different species for food etc.
21 of 46
Intraspecific competition
The competition between organisms within the same species for food etc
22 of 46
Nitrate
The chemical absorbed from the soil by plants to produce their proteins
23 of 46
Nitrogen Cycle
The sequence of events/processes involved in the recycling of nitrogen in the environment
24 of 46
Nitrogen fixing bacteria
The bacteria found free living in the soil or in the root nodules of some plants such as peas and clover that convert nitrogen gas into nitrate
25 of 46
Pyramid of Energy
A diagram that shows the relative quanities of energy at each stage in a food chain
26 of 46
Pyramid of Biomass
A diagram to illustrate the amount of biological material within a food chain or web
27 of 46
Pyramid of numbers
A diagram that shows the relative numbers of organisms at each stage in a food chain
28 of 46
Aerobic
with oxygen
29 of 46
Algal bloom
A marked increase in the population of algae in the water-ways, usually caused by fertiliser runoff from surrounding fields. Turns the water green.
30 of 46
Fertilisers
Nutrient added to the soil to increase the soil fertility.
31 of 46
Genetically modified
Describes a cell or organism that has had its genetic code altered by adding a gene from another organism
32 of 46
Indicator species
The presence, abundance or absenced of these organisms provides information such as the level of pollution in the environment
33 of 46
Intensive farming
Farming methods that usually involve monoculture and using pesticides and fertilisers to improve crop yield
34 of 46
Pesticides
Chemicals that kill off organisms
35 of 46
Toxicity
Poison level
36 of 46
Adaption
A feature of an organism's body which helps it to survive
37 of 46
Mutation
A random and spontaneous change in the structure of a gene, chromosome or number of chromosomes
38 of 46
Selection pressure
A factor such as predation or disease that affect a population resulting in the death of some individuals and the survival for others
39 of 46
Radation
Energy carried by particles from a radioactive substance, or spreading out from a source
40 of 46
Selective advantage
A favourable characteristic which gives an organism an increased chance of survival
41 of 46
Speciation
The formation of new and distinct species in the course of evolution
42 of 46
Species
Used in the classification of living organisms capable of interbreeding
43 of 46
Pitfall trap
A sampling techinque used to trap small invertebrate animals living on the soil surface or in leaf litter
44 of 46
Quadrat
A square frame of a known area used for sampling the abundance and distribution of slow or non-moving organisms
45 of 46
Sample
A representative part of a larger quanity
46 of 46

Other cards in this set

Card 2

Front

The variety of species present in the community of an ecosystem

Back

Biodiversity (1)

Card 3

Front

The wide range of animals and plants in the world

Back

Preview of the back of card 3

Card 4

Front

Various regions of the planet distinguished by climate and distinctive groups of plants

Back

Preview of the back of card 4

Card 5

Front

Group of organisms capable of breeding with each other to produce fertile offspring

Back

Preview of the back of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Life on Earth resources »