Biology Terms – Junior Cert Higher Level
- absorption – passing of digested food into the bloodstream in the small intestine.
- acid rain – rain water with a ph of less than 5.5.acid rain damages the roots of trees and causes fish kills.
- aerobic respiration – respiration where oxygen is used
- word equation of aerobic respiration – glucose+oxygen-energy+water+carbon dioxide
- alveoli – air sacs in the lungs that control gaseous exchange
- antagonistic muscles – pairs of muscles that work in opposition to each other eg biceps and triceps in arm
- anther – produces the pollen,which contains the male gamete.the male organs are called the stamens.the anther is the top part of the stamen
- antibiotics – chemicals produced from fungi and bacteria that cure diseases by fungi and bacteria.
- antibiotics have no effect on ? – viruses
- antibodies – are produced by our white blood cells to protect us against viruses and bacteria.
- asexual reproduction – involves only one parent and there is no gametes eg strawberry
- assimilation – the body cells use for energy, growth and repair
- bacteria – very small cells.can be helpful or harmful
- ball and socket joint – allow movement in many planes hip and shoulder
- biotechnology – using living things to produce useful products for humans
- bone joint – connection between two bones
- capillaries – small blood vessels that connect arteries to veins
- cell – basic living unit of plant or animal
- chromosomes – thread like structure found in nucleus of a cell
- amount of chromosomes in human – 46 ,23 pairs
- chromosomes in sex cell – 23
- conservation – the protection,preservation and careful use of our natural resources
- consumers – organisms that feed directly or indirectly on green plants
- decomposers – organisms that feed on dead plants and animals eg earthworms ,bacteria,fungi
- xylem vessels – carry water up a plant from the roots
- tropism – growth of a plant toward certain stimulus
- parasites – feed off a living organsim eg viruses
- platelets – clot the blood
- plasma – transport food
- methods of seed dispersal – wind ,animal,water,self-dispersal
- substrate – is substance acted on by an enzyme
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