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Exam 1: The Study of Life

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Question 21

Multiple Choice

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When comparing energy and chemicals in an ecosystem,

A) both chemicals and energy cycle over and over again.
B) chemicals cycle over and over again but energy flows through once.
C) both chemicals and energy flow through once.
D) energy cycles over and over again but chemicals flow through once.
E) neither cycle nor flow but both are simply present.

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Question 22

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All the banded sunfish () in a pond would comprise a(n)

A) population.
B) ecosystem.
C) community.
D) biosphere.
E) species.

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Question 23

Multiple Choice

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Which statement regarding the scientific method is false?

Which statement about an ecosystem is incorrect?

Which sequence correctly lists the different levels of biological organization,from the smallest and simplest to the largest and most complex?

In the late 1800s,Louis Pasteur was searching for a vaccine for anthrax in livestock.One French veterinarian had a local reputation for being able to cure anthrax by applying oils and wrapping the animal in cloth to induce a fever.Pasteur also knew that some animals got well on their own when left untreated.Pasteur tested the effectiveness of the local veterinarian's methods by injecting four cattle with anthrax bacteria.He then directed the veterinarian to perform his procedures on two cattle.The other two cattle were left alone.What is the rationale for Pasteur's experimental design?

Which sequence of classification categories is in the proper order from least to most inclusive?

The term "biodiversity" refers to

Which statement concerning reproduction is false?

The bones in a bird are hollow,reducing its weight for flight.This is an example of which characteristic of life?

Which statement about living organisms is not correct?

When researchers test a new human cancer drug using mice,the mice constitute the

The common name for "cat" in Spanish is "gato" and in Chinese is "mao." Which of the following statements pertaining to the use of scientific names instead of common names is false?

Which statement regarding the scientific method is false?

All the organisms of various species living within a given area constitute a(n)

The most important factor that determines where major ecosystems are located on the globe is

When you are overheated,you perspire,and when you are too cold,you shiver to generate heat.Which property of life is best represented by this example?

A possible explanation for a natural event,based on observations and past knowledge,is a

A multicellular,photosynthetic organism with complex,specialized cells and tissues would most likely be assigned to

Technology is the __________________________.