Microevolutionary Changes and Speciation (HSC SSCE Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which four factors are the main selection pressures that influence organism survival and reproduction?
Which four factors are the main selection pressures that influence organism survival and reproduction?
Env. change, competition, predation, disease
What is a key characteristic that distinguishes microevolution from macroevolution?
What is a key characteristic that distinguishes microevolution from macroevolution?
Microevolution does not generally produce new species
What are the three main mechanisms that drive major evolutionary changes?
What are the three main mechanisms that drive major evolutionary changes?
Mutations, migration, and natural selection
How many toes did Hyracotherium have on its forefoot?
How many toes did Hyracotherium have on its forefoot?
Four toes
What major change occurred in horse tooth structure during evolution?
What major change occurred in horse tooth structure during evolution?
Development of grinding tooth surfaces
On which continents have fossils of Equus NOT been found?
On which continents have fossils of Equus NOT been found?
Australia and Antarctica
What defines monotremes as a distinct group of mammals?
What defines monotremes as a distinct group of mammals?
Young develop and are nourished as eggs
Which combination of features makes the platypus unusual among mammals?
Which combination of features makes the platypus unusual among mammals?
Bill, venom glands, egg-laying, and hair
What percentage of genes are common to platypus, marsupial, and placental mammals?
What percentage of genes are common to platypus, marsupial, and placental mammals?
82%
How many carnivorous mammal species did Australia have compared to South America?
How many carnivorous mammal species did Australia have compared to South America?
3 species vs 60 species