CRCT
STUDY GUIDE
TH
7
GRADE
LIFE SCIENCE
CLASSIFICATION
Investigate the diversity of
living organisms;
Compare scientifically.
CLASSIFICATION
DICHOTOMOUS KEY
SIX KINGDOMS
Physical
Characteristics ! !
ECOLOGY
Examine the
dependence of
organisms on one
another and their
environment.
ECOLOGY
FOOD WEB
SYMBIOSIS . . .
Changes in
environmental
conditions can affect
survival of species.
BIOMES
Describe the
characteristics of
terrestrial biomes &
aquatic
communities.
BIOMES
TELL HOW THEY ARE
DIFFERENT !
Tropical rain forest,
savanna, temperate,
desert, taiga, mountain.
CELLS
Describe the
structure and
function of cells;
Explain that cells
take in nutrients.
CELLS
PARTS OF THE CELL - cell membrane,
nucleus, cytoplasm,
chloroplasts,
mitochondria
HUMAN BODY SYSTEMS
Cells are organized &
serve the needs cells
have for oxygen,
food, and waste
removal.
HUMAN BODY SYSTEMS
DIGESTION, RESPIRATION,
REPRODUCTION,
CIRCULATION, EXCRETION,
MOVEMENT, CONTROL,
COORDINATION,
PROTECTION FROM
DISEASE.
GENETICS
Recognize how
biological traits are
passed on to
successive
generations.
GENETICS
HEREDITY = DNA
GENES &
CHROMOSOMES
SELECTIVE BREEDING
EVOLUTION
Examine evolution
through inherited
characteristics that
promote ‘survival of
the fittest’.
EVOLUTION
ADAPTATION
NATURAL SELECTION
CHANGES OVER TIME