Definition | Word/ phrase |
The place where an organism lives | Habitat |
All the organisms (plant, animals and micro-organisms) found in an ecosystem. | Community |
The community + habitat OR All the living and non-living components found in a particular environment | Ecosystem |
The term used to describe any organism that can make its own food using light energy, by photosynthesis. | Producer |
The term used to describe any organism that gets its energy from eating other organisms. | Consumer |
The term used to describe any animal that gets its energy by eating only plants. | Herbivore |
The term used to describe any animal that gets its energy by eating both plants and other animals. | Omnivore |
The term used to describe any animal that gets its energy by eating other animals. | Carnivore |
The types of organisms that are Decomposers. | Bacteria and Fungi |
The term used to describe a non-living factor which may effect the distribution organisms. | Abiotic factor |
The term used to describe a living factor which may effect the distribution organisms. | Biotic factor |
Occurs when 2 or more organisms require the same limited resource. | Competition |
A diagram that show the movement of energy between a number of different types of organisms. | Food chain |
The term used to describe a number of food chains linked together. | Food web |
The term used to describe an organism that is hunted for food. | Prey |
The term used to describe an organism that hunts other organisms for food. | Predator |
A diagram which shows the number of organisms at each level of a food chain. | Pyramid of numbers |
The term used to describe an organism that shows the presence or absence of an abiotic factor in an ecosystem. | Indicator species |
The term used to describe a chemical used to control unwanted plants or animals. | Pesticide |
The term used to describe the number of different species, genes and ecosystems present in a region. | Biodiversity |
The term used to describe the role that an organism plays within a community. | Niche |
Percentage of the energy lost at each level of a food chain. | 90% |
Percentage of the energy passed to the next organism at each level of a food chain. | 10% |
3 ways in which energy can be lost from the food chain | Heat
Movement
Undigested food |
In a food chain ...... show the direction of the movement of energy from one organism to the next. | Arrows |
Plants take in this type of compound to make proteins. | Nitrates |
This type of bacteria have the ability to take nitrogen from the air and convert it into nitrate compounds. | Nitrogen-fixing bacteria |
The term used to describe the type of competition which occurs between individuals of different species. | Interspecific |
The term used to describe the type of competition which occurs between individuals of the same species. | Intraspecific |
The term used to describe the type of competition which is more intense. | Intraspecific |
This piece of equipment used to sample an ecosystem is a square of known area divided up into smaller squares. | Quadrat |
The term used to describe a group of organisms of the same species living in an ecosystem. | Population |