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Which of the following statements is a distinguishing characteristic of fungi?


A) obtaining nutrients by absorbing them from the environment
B) obtaining nutrients by ingesting other organisms
C) converting light energy to chemical energy in the form of sugars
D) living in extreme environments like boiling hot springs

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All the individuals of a particular species living within the bounds of a specified area are collectively described by which of the following terms?


A) a biological system
B) a biosphere
C) a biological community
D) a population

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All the organisms on your campus make up


A) an ecosystem.
B) a community.
C) a population.
D) a taxonomic domain.

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All the living things on Earth along with all the places where life exists are collectively described by which of the following terms?


A) an ecosystem
B) the biosphere
C) a biological community
D) a population

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B

Which of the following statements describes Charles Darwin's most significant original contribution to understanding both the unity and the diversity of life?


A) He documented examples of organisms that had evolved over time.
B) He proposed a mechanism to explain the process of evolution.
C) He explained the relationship between genes and evolution.
D) He observed that individuals in a population generally displayed variation for a number of traits.
E) He suggested that survival depends upon competition.

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The variation observed among the finches Darwin collected from the Galápagos Islands illustrate which of the following principles associated with the evolution of species?


A) mutation frequency
B) production of more offspring than can survive
C) descent with modification
D) the accuracy of the fossil record

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C

Many properties of living things involve the transfer and transformation of energy and matter.For example,plant chloroplasts convert energy from sunlight to which of the following forms of energy or matter?


A) the energy of motion
B) carbon dioxide and water
C) chemical energy
D) oxygen
E) kinetic energy

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Which of the following correctly describes the forms by which energy flows through an ecosystem from entry to exit?


A) heat → chemical → heat
B) light → heat → chemical
C) light → chemical → heat
D) chemical → heat → light

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All of the organisms living in a particular ecosystem are collectively known as a(n)


A) biological community.
B) order.
C) family.
D) population.

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Which of the following represents the correct hierarchy of biological organization from large scale to smaller scale?


A) ecosystems → biosphere → communities → populations → organisms
B) communities → populations → organisms → ecosystems → biosphere
C) biosphere → communities → populations → ecosystems → organisms
D) biosphere → ecosystems → communities → populations → organisms
E) biosphere → ecosystems → populations→ communities → organisms

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Why is it important that scientific discoveries and ideas be discussed by people with various points of view,from a variety of subdisciplines,and with diverse cultural backgrounds?


A) They can correct each other's approach to make it truly scientific.
B) Robust and critical discussion between diverse groups improves scientific thinking.
C) Scientists need to exchange their ideas with other disciplines and cultures so that all groups are in agreement regarding the course of future research.
D) This is another way of ensuring that everyone gets the same results.

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Which of the following types of cells lack(s) a nucleus?


A) animal
B) plant
C) archaea
D) fungi

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Which of the following terms describes membrane-enclosed components of cells that carry out specialized functions?


A) tissues
B) organs
C) organelles
D) cells

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Which of the following statements best distinguishes hypotheses from theories in science?


A) Theories are hypotheses that have been proved.
B) Hypotheses are guesses;theories are correct answers.
C) Hypotheses usually are relatively narrow in scope;theories have broad explanatory power.
D) Theories are proved true;hypotheses are often contradicted by experimental results.

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Which of the following is an example of inductive reasoning?


A) If a banana is not ripe,then an ape will not eat it.
B) Numerous different species live in sunny parts of an ecosystem;therefore,they are all photosynthetic.
C) Hundreds of cultures of a unicellular alga are incubated in the presence of light,and in all of the samples the cells congregate on the side of the culture toward the light.Therefore,the alga is phototactic (attracted to light) .
D) If two species are members of the same genus,then they are more similar to each other than they are to members of a different genus.

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Which of the following is a requirement for a good scientific hypothesis?


A) It must generate quantitative data.
B) It must explain a large body of specific observations.
C) It must lead to testable predictions.
D) It must be able to be proven true.

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A controlled experiment is one that


A) proceeds slowly enough that a scientist can make careful records of the results.
B) tests experimental and control groups in parallel.
C) is repeated many times to make sure the results are accurate.
D) keeps all variables constant.

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Which of the following statements describes an individual that is likely to be the most successful in an evolutionary sense?


A) a reproductively sterile individual who never falls ill
B) an organism that dies after five days of life but leaves 10 offspring,all of whom survive to reproduce
C) a male who mates with 20 females and fathers one offspring
D) an organism that lives 100 years and leaves two offspring,both of whom survive to reproduce
E) a female who mates with 20 males and produces two offspring who live to reproduce

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B

In her studies of chimpanzee behavior,Jane Goodall collected both qualitative and quantitative data.Which of the following is an example of quantitative data?


A) Chimpanzees typically travel together in small groups.
B) Pairs of animals take turns grooming each other.
C) Young chimpanzees play games in the trees and on the ground.
D) Mothers and their infants typically nap for two to three hours each afternoon.

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Which of the following best demonstrates the unity among all organisms?


A) emergent properties
B) descent with modification
C) DNA structure and function
D) natural selection

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