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4 Cards in this Set

  • Front
  • Back

Limits to population survival

Climate change, predators, natural disasters, etc.

Importance of species diversity

Helps the population survive (resistance to change causes some to survive and others to become extinct)

Variations within a species

Size, colour, head shape, eye colour, pattern, speed, metabolism, number of offspring, birth weight, behaviour

What causes variation?

•Offspring have a combination of genetic material from both parents


•Sexual reproduction( crossing over and independent assortment)


•Genetic variation in a population results from the variety of genetic information in all individuals of the population