There are an estimated 7. 6 billion people in the world with china, India and the United States having the highest population. Do you know how one comes to get the true population of an area or country? Take the quiz below on chapter 8 and gauge your understanding on populations.
Questions and Answers
Explain how the meanings of the words Predator and Prey differ.
Explain how two species can compete for the same resources even if they never come in contact with one another.
Biotic potential is the slowest rate at which a population can grow.
Exponential growth is where a population grows faster and faster.
The unique role of a species within an ecosystem is its predation.
A relationship in which two organisms live in close association is called _____________.
A relationship in which one species benefits and the other speices is neither harmed nor helped is called ____________.
Ants and acacia tress have a mutualistic relationship because
They are both adapted to a humid climate.
They benefit each other.
The ants eat part of the acacia tree.
Which of the following is an example of coevolution?
Flowers that can be pollinated by only one species of insect.
Rabbits that invade a new habitat.
Bacteria that suddenly mutate in a lab.
The growth rate of a population of geese will probably increase within a year if
More birds die than are hatched.
Most females lay two eggs instead of three during their nesting season.
Several females begin laying eggs at younger ages than their mothers did.
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Antarctica is largely uninhabited. This is mainly because: