Environmental Test B multiple choice

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Each of the following is an example of a parasite except A roundworm in a human's intestines A cow in a pasture A tick on a cat Mistletoe on a tree

A cow in a pasture

The density of a population is The number of individuals born every year The proportion of males and females The number of individuals living in cities The number of individual per unit area

The number of individuals per unit area

Thick fur in deer is not an example of coevolution, because... -Thick fur in deer is an adaptation -Deer with thick fur live longer -Thick fur evolved in response to a cold climate, not in response to other organisms -In the lowlands, where the climate was sunny and warm, deer that did not have thick fur became separated from other deer that did have thick fur

Thick fur evolved in response to a cold climate, not in response to other organisms

Which of the following organisms has the highest reproductive potential? Dogs Elephants Bacteria Humans

bacteria

In which of the following types of interactions is neither species harmed? Predation Competition Parasitism Commensalism

commensalism

The relationship between a canadian lynx and a snowshoe hare is an example of Parasite and host Predator and prey Competition Mutualism

predator and prey

An example of a population would be all Trees in a forest Red maple tree's in a forest Plants in a forest Animals in a forest

red maple tree's in a forest

Which of the following populations has a random dispersion? Flock of flamingos Pine trees in a pine forest Herd of bison Solitary snakes in a desert

solitary snakes in a desert

Which of the following would most likely cause a large number of density-independent deaths in a population? Winter storms Disease-carrying insects Predators Limited resources

winter storms

A species of plant has exponential growth after it's introduced into an area where it has never been. Which statement best describes exponential growth? each individual plant grows much larger than usual The population immediately decreases Within a few years the population increases dramatically The species' reproductive potential declines

within a few years the population increases dramatically


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