QUESTIONS AND ANSWERS GRADED A+
acquired characteristic - ✔✔ANSWER✔✔-A
characteristic that is changed by the environment.
brain - ✔✔ANSWER✔✔-An organ that coordinates
the actions of your body.
carbon cycle - ✔✔ANSWER✔✔-A sequence of
processes by which carbon moves from the
atmosphere, through living and dead organisms, into
sediments and back to the atmosphere.
carcinogen - ✔✔ANSWER✔✔-Something that causes
cancer, such as tar in tobacco smoke.
,carnivore - ✔✔ANSWER✔✔-Animal that eats other
animals.
carrier - ✔✔ANSWER✔✔-A person whose cells have
both a normal and a faulty allele. Symptomless
carriers show no signs of the genetic disorder they
are carrying.
adaptation - ✔✔ANSWER✔✔-How organisms
change in order to be more suited to their
environment.
addiction - ✔✔ANSWER✔✔-When someone is
dependent on a drug and can't do without it.
allele - ✔✔ANSWER✔✔-Alternative forms of the
same gene. For each gene we have one allele from
each parent in our cells.
amphibians - ✔✔ANSWER✔✔-Vertebrates that have
moist, permeable skin and lay jelly-coated eggs.
Animalia - ✔✔ANSWER✔✔-One of the 5 kingdoms.
They are multicellular and heterotrophic. Their cells
have a nucleus.
, antibacterials - ✔✔ANSWER✔✔-Antibiotic that kills or
slows the growth of bacteria.
antibiotic - ✔✔ANSWER✔✔-Substance that can kill
or slow the growth of microorganisms. Antibiotics are
used to eliminate pathogens inside the body.
antifungal - ✔✔ANSWER✔✔-Antibiotic that kills or
slows the growth of fungi.
antiseptic - ✔✔ANSWER✔✔-Chemical used
eliminate pathogens. Antiseptics are used outside
the body.
autotrophic feeding - ✔✔ANSWER✔✔-To make food
from small molecules using an energy source, such
as light in photosynthesis.
auxin - ✔✔ANSWER✔✔-Plant hormone that affects
the growth and elongation of plant cells.
axon - ✔✔ANSWER✔✔-The long extension of a
neurone that carries an impulse away from the cell
body towards other neurones.