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Science P.A.T (grade 9) Questions and Answers with 100%
VERIFIED Solutions UPDATED!!!
Mutualism - ANSWER Is when both partners benefit
Commensalism - ANSWER When one partner benefits and the
other neither benefits nor loses
Parasitism - ANSWER One partner benefits and the other is
harmed
Biological diversity is important because ? - ANSWER - many
medicines come from biological sources
- it may promote the health and survival of natural communities
Genetics - ANSWER The study of genes or heritable traits
traits - ANSWER Are characteristics or qualities that make up a
persons physical nature
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Heredity ( inherit ) - ANSWER The passing of traits from parents
to offspring
Continuous variation - ANSWER Range of possibilities ex: hair
colour , eye colour
Discrete variations - ANSWER Limited number of possibilities ex:
tongue rolling , left handed.
Dominant traits - ANSWER Are traits that occur more often than
others ex: brown eye, over blue. Right hand over left.
Recessive traits - ANSWER Do not show up often ex: left handed
Gene - ANSWER A section of DNA on a chromosome that codes
for a function
Reproductive strategy - ANSWER Method of organism use to
reproduce
Science P.A.T (grade 9) Questions and Answers with 100%
VERIFIED Solutions UPDATED!!!
Mutualism - ANSWER Is when both partners benefit
Commensalism - ANSWER When one partner benefits and the
other neither benefits nor loses
Parasitism - ANSWER One partner benefits and the other is
harmed
Biological diversity is important because ? - ANSWER - many
medicines come from biological sources
- it may promote the health and survival of natural communities
Genetics - ANSWER The study of genes or heritable traits
traits - ANSWER Are characteristics or qualities that make up a
persons physical nature
, 2|Page
Heredity ( inherit ) - ANSWER The passing of traits from parents
to offspring
Continuous variation - ANSWER Range of possibilities ex: hair
colour , eye colour
Discrete variations - ANSWER Limited number of possibilities ex:
tongue rolling , left handed.
Dominant traits - ANSWER Are traits that occur more often than
others ex: brown eye, over blue. Right hand over left.
Recessive traits - ANSWER Do not show up often ex: left handed
Gene - ANSWER A section of DNA on a chromosome that codes
for a function
Reproductive strategy - ANSWER Method of organism use to
reproduce