Definitions Flashcards
What is the definition of producers?
A plant or plant-like organism found at the the start of a food chain.
What is the meaning of photosynthesis?
Process where the energy of the Sun is used to convert carbon dioxide and water into oxygen and sugars.
What is the pyramid of numbers?
A food chain that shows the number of organisms at each level.
Meaning of habitat?
A place where a population of organisms lives.
What is the meaning of behavioural adaptation?
Behaviour that helps an organism survive in a particular area. Example co-operation.
What is the meaning of physical adaptation?
A physical feature that helps an organism to survive in a particular area. E.g. Camouflage
What is consumer?
An organism that obtains energy by eating other organisms
Name one animal that is a threat for our ecosystem?
European Wasps, Cane toad
What is a food web?
A diagram showing several food chains intertwined.
What is biodiversity?
Variety of all life on the Earth.
What is ecosystem diversity?
Number of different types of ecosystems found in a given area.
What is an ecosystem ?
A group of living and non-living things that interact with each other in a self sustaining way.
What has the most amount organisms in the pyramid of numbers?
The bottom
Penguins huddle around, is what type of adaption.
Behavioural
The beak of a finch is what adaption?
Physical
What is genetic diversity?
Variety of genetic material within a species
What are some examples of decomposers?
Fungus, fungi, Bacteria and even snails.
Winter fungus eat dead tree trunks
What is a community?
Populations of different species that interact with each other?
What is a population ?
Group of the same kind of organisms that live in the same area.
Where do these adaptations originate ?
When the animal decide and some get their adaptations from their parents and their pass down generations.
What are the three levels of biodiversity?
Genetic, Species and Ecology
What is the lithosphere?
The lithosphere is the sphere of land that is Earth.Many organisms especially mammals live there.
What is Hydrosphere
The hydrosphere is the sphere of water covering earth. Many organisms like fish live there.
What is the biosphere?
Biosphere is all the spheres of life, which are the atmosphere, lithosphere and hydrosphere.
Name an unicellular organism belonging toKingdom Protista.
Amoeba
What is the atmosphere?
The atmosphere is sphere of gases that covers the whole earth.
