Biology Test Review

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

• biological community.

• order.

• family.

• population.

All the living organisms in a particular area along with all the nonliving aspects of the environment with which organisms interact are collectively described by which of the following terms?

• an ecosystem

• the biosphere

• a biological community

• a population

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

• animal

• plant

• archaea

• fungi

Living things are divided into three different domains. Which of these domains are classified as prokaryotes?

• Bacteria and Eukarya

• Archaea and Eukarya

• Bacteria and Fungi

• Bacteria and Archaea

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

• He documented examples of organisms that had evolved over time.

• He proposed a mechanism to explain the process of evolution.

• He explained the relationship between genes and evolution.

• He observed that individuals in a population generally displayed variation for a number of traits.

• He suggested that survival depends upon competition.

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

• mutation frequency

• production of more offspring than can survive

• descent with modification

• the accuracy of the fossil record

The process of science involves testing which of the following?

• a data set

• a hypothesis

• an observation

• a conclusion

• a control group

Which of the following is the best description of a control group for an experiment?

• The control group is kept in an unchanging environment.

• The control group is left alone by the experimenters.

• The control group is the same as the experimental group except for the one experimental variable.

• The control group is exposed to only one variable rather than several.

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

• the nucleus

• descent with modification

• DNA structure and function

• natural selection

The monomer of Proteins are

• Nucleotides

• Enzymes

• Amino Acids

• Peptide bonds

• Monosaccharides