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Biology 2e

Review Questions

Biology 2eReview Questions


The first forms of life on Earth were ________.

  1. plants
  2. microorganisms
  3. birds
  4. dinosaurs

A suggested and testable explanation for an event is called a ________.

  1. hypothesis
  2. variable
  3. theory
  4. control

Which of the following sciences is not considered a natural science?

  1. biology
  2. astronomy
  3. physics
  4. computer science

The type of logical thinking that uses related observations to arrive at a general conclusion is called ________.

  1. deductive reasoning
  2. the scientific method
  3. hypothesis-based science
  4. inductive reasoning

The process of ________ helps to ensure that a scientist’s research is original, significant, logical, and thorough.

  1. publication
  2. public speaking
  3. peer review
  4. the scientific method

A person notices that her houseplants that are regularly exposed to music seem to grow more quickly than those in rooms with no music. As a result, she determines that plants grow better when exposed to music. This example most closely resembles which type of reasoning?

  1. inductive reasoning
  2. deductive reasoning
  3. neither, because no hypothesis was made
  4. both inductive and deductive reasoning

The smallest unit of biological structure that meets the functional requirements of “living” is the ________.

  1. organ
  2. organelle
  3. cell
  4. macromolecule

Viruses are not considered living because they ________.

  1. are not made of cells
  2. lack cell nuclei
  3. do not contain DNA or RNA
  4. cannot reproduce

The presence of a membrane-enclosed nucleus is a characteristic of ________.

  1. prokaryotic cells
  2. eukaryotic cells
  3. living organisms
  4. bacteria

A group of individuals of the same species living in the same area is called a(n) ________.

  1. family
  2. community
  3. population
  4. ecosystem

Which of the following sequences represents the hierarchy of biological organization from the most inclusive to the least complex level?

  1. organelle, tissue, biosphere, ecosystem, population
  2. organ, organism, tissue, organelle, molecule
  3. organism, community, biosphere, molecule, tissue, organ
  4. biosphere, ecosystem, community, population, organism

Where in a phylogenetic tree would you expect to find the organism that had evolved most recently?

  1. at the base
  2. within the branches
  3. at the nodes
  4. at the branch tips
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