Ecology and Evolution

Which of the following describes a population?

• the wild dogs and cats that live in the city

• four different species of fish living in a pond

• a group of Canadian Geese living in a pond in Ijams

• roses and sun flowers in a garden

Where the better adapted organisms survive to pass traits along to offspring.

• Evolution
• Natural Selection
• Extinction
• Artifical Selection

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The dolphin and the shark are similar because they have

Both adapted to a marine (ocean) environment and they both have a similar body shape but they do not share a recent common ancestor. This is known as ___________.

• coevolution

• ancestral breeding

• artificial selection

• convergent evolution

A living relationship between two species in which one organism is harmed is called...

• mutualism
• commensalism
• parasitism
• niche

This zone has few organisms where the temperature is either too low or too high. The old and weak fish die in this zone.

• Zone of Physiological Stress

• Zone of Intolerance

• Zone of Optimum Range

• Zone of Invalidity

Tags

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These adaptations include migration, marking territory, flight or fight responses, etc.

• Physiological

• Behavioral

• Physical

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This is when one species is separated by a geographic barrier. Over a long period of time, they will become two different species. This happened to the common ancestor of the chimpanzees and bonobos.

• Convergent speciation

• Divergent speciation (allopatric speciation)

• Lateral speciation

• Parapatric speciation

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This level of ecological organization includes BOTH abiotic and biotic factors such as animals and water.

• Population

• Community

• Organism

• Ecosystem

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Songbirds like Eastern Towhees defending territories from which they exclude their neighbors in an effort to secure resources and mating opportunities. Which type of competition is this?

• Intraspecific

• Interspecific

• Xenospecific

• Intensive

Tags

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The modern day dog or head of corn is an example of this type of selection.

• Artificial Selection

• Natural Selection

• Evolution through resistance

Tags

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