Semester One Biology Exam Review

Which organism in the biomass pyramid has the least amount of kilocalories (kc) from the original energy source? (Hint: whats the smallest part of the pyramid?)

• producers

• primary consumers

• secondary consumers

• tertiary consumers

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What is an example of an abiotic factor in an particular ecosystem?

• plants

• animals

• rocks

• moss

A fox hunts a rabbit is an example of which type of relationship

• mutualism

• commensalism

• predation

• parasitism

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NGSS.MS-LS2-3

When scientists look at issue such as pollution, deforestation and invasive species they are really looking at _____________________ that affect the a ecosystem

• All members of one species

• All living and nonliving factors in an environment

• All parts of the earth where life exists

• All members of a species in the same area

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NGSS.MS-ESS3-4

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Polar bears have physical features that allow them to live in colder places like the Arctic, where the brown bear is better suited to live in the woodlands. Which of the following key term best describes theses descriptions

• niche

• habitat

• dwelling place

• house

In a particular habitat lives a population of rabbits that are herbivores and a population of foxes that are carnivores. which of the following is true about the statement above

• niches = herbivores and carnivores

• organism = herbivore and carnivore

• rabbit preys on the fox

• they are in the same niche

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What is the ultimate goal of studying and understanding ecology?

• Preserve and conserve the environment

• To help sick animals

• To help and assist under privilege countries

• teach the human population how to recycle

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NGSS.MS-ESS3-4

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Barnacles feed by attaching themselves to a whale's belly or back, allowing the species to then eat microorganisms as the whale swims. The whale is unaffected in this process. What type of symbiotic relationship is this?

• mutualism

• commensalism

• parasitism

• competition

A group of scientists studied how a herd of buffalo and a colony of fire ants shared habitat and used the shrubs nearby as shelter. The buffalo, the fire ants, and the shrubs all together would be considered a

• individual

• population

• community

• ecosystem

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NGSS.MS-LS2-2

Organisms living in the same habitat will always compete for ____________

• niches

• food water and shelter

• money

• who is the top of the food chain

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