Biology Terms
Published on Nov 18, 2015
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PRESENTATION OUTLINE
OMNIVORE
- An animal that feeds on both animal and vegetable substances
- Examples include horses and hedgehogs
- Fact: the teeth of omnivores are made to eat both plants & animals
Photo by zenera
DECOMPOSER
- An organism that breaks down the cells of dead plants and animals
- Examples are fungi or bacteria
- Fact: most decomposers are microscopic
Photo by Michael_Whitehead
ECOSYSTEM
- A community of organisms and its environment,
- that functions as an ecological unit.
- Examples include a tropical rainforest or a river
Photo by Neo-grapher
AUTOTROPH
- An organism that is capable of self-nourishment by using inorganic materials as a source of nutrients.
- Uses photosynthesis and chemosynthesis as a source of energy
- Examples include plants, flowers, trees
Photo by Billy Wilson Photography
HERBIVORE
- An animal that feeds only on plants
- In a food web, they are primary consumers
- Examples include caribou and cows
Photo by Etrusia UK
SYMBIOSIS
- The living together in association of 2 dissimilar organisms
- Examples include parasitism and mutualism and commensalism
- There are 3 main types of symbiosis
Photo by Trotaparamos
MIMICRY
- The close external resemblance of an organism to another animal, plant, or inanimate object
- Fact: mimicry can be used as a defense mechanism for some animals
- Examples: insects, snakes, octopuses
Photo by jonycunha
PREDATION
- The act of killing/eating/preying on other animals
- For example a cat eating a rat.
- Can range from any size predator and prey.
Photo by bayucca (busy)
COMMENSALISM
- relationship of 2 organisms of different species where one benefits whereas the other is unaffected.
- It is a form of symbiosis
- Examples include when barnacles attach to the skin of a whale
Photo by jpmckenna - Grand Canyon Bound
ORGANISM
- A form of life composed by interdependent parts that maintains vital proccesses
- Examples : a squirrel, a mosquito or a plant
Photo by Plan of the Brachial Plexus
HABITAT
- The natural environment of an organism
- A place that is natural for the life and growth of an organism
- Examples include anywhere from a tree to a forest
Photo by JoelDeluxe
