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Biology - The Biology glossary terms
The Biology glossary terms
The movement of a simple substance across the lining of the digestive
The structural unit of proteins.
Living in water.
Describes an organism that reproduces without sex.
Describes an organism that makes its own organic compounds (food) from
simple inorganic substances. Most photosynthesise.
Consists of two names.
A system of the body made up of blood, heart and a series of tubes that
transport blood around the body.
A rounded mass of partly digested food.
Beginning of the large intestine.
A small enclosed unit that makes up all living things. The structural unit
A feature that helps identify something. A distinguishing mark or trait.
Green pigment that traps light.
Part of the large intestine.
Everything in the cell apart from the nucleus and the cell membrane.
Dividing into two parts.
The physical (mechanical) and chemical breakdown of food into useable
A carbohydrate made up of two monosaccharide molecules joined together.
Photograph taken of an image under an electron microscope.
Organisms whose cells have a nucleus and other membrane-bounded
Wastes of the digestive system. They are expelled from the body via the
FIELD OF VIEW
The area of the image visible in the eyepiece of a microscope.
Can produce offspring.
What something does.
A sex cell.
A monosaccharide that is used as an energy source for many organisms.
Describes an organism that cannot make its own organic compounds (food).
It must ingest or absorb organic material from its environment.
An organism can be classified on eight different levels (Kingdom, Phylum
etc.). These levels are known as a hierarchy.
Cannot produce offspring.
Taking food into the body.
Animals that do not have a backbone.
An outline of the distinguishing characteristics of a group of organisms,
used as a guide in classification.
Largest classification group (i.e. Animalia, Plantae, Fungi, Protista and
Cavity within a tube.
A system made up of tubes, nodes and lymph. Involved in transport of
products of lipid digestion from the small intestine to the blood. Helps
How much larger an object appears compared to its real size.
A simple sugar consisting of one sugar molecule.
Organisms that are composed of many cells.
An organelle that contains the genetic information and serves as the
control centre of the cell.
Substances needed by an organism for energy, growth, survival and
A structure within a cell with a specific function.
Containing complex carbon.
Any living thing made up of one or more cells.
Organisms that survive off the living tissue of other organisms.
Describes rhythmical contraction and relaxation of muscles. Pumping
material through a tube.
A part of the digestive tract. The throat area in humans.
In plants a tissue involved in the transport of mineral ions, sucrose and
amino acids up and down a plant.
A chemical process needing light, carbon dioxide, chlorophyll and water to
produce oxygen and glucose.
Reproductive structure in flowering plants and conifers.
A carbohydrate containing more than two monosaccharides joined together.
Organisms that kill and eat other organisms (prey).
Organisms whose cells do not have a nucleus or other membrane-bounded
A member of the kingdom Protista.
Last part of the large intestine.
Made of sections/compartments.
The basic unit of classification. Individuals are structurally similar and
can interbreed and produce viable and fertile offspring.
Usually unicellular. A reproductive structure. Usually germinating without
fusing with another cell.
Changes in the environment that may evoke a response.
A change in an environment that may evoke a response.
A fat made up of one glycerol and three fatty acids.
Organisms that are composed of a single cell.
Animals that have a backbone.
Unwanted substances that a cell produces and must dispose of.
In plants a tissue involved in the transport of water and mineral ions up
The first cell of a new individual formed by the fusion of two gametes.
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