Free CLEP Science and Mathematics Exam Braindumps (page: 63)

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Which ordering correctly represents the appearance of these types of organisms from oldest to the most recent?

  1. Land plants, reptiles, mammals, marine invertebrates
  2. Marine invertebrates, reptiles, mammals, land plants
  3. Reptiles, land plants, marine invertebrates, mammals
  4. Marine invertebrates, land plants, mammals, reptiles
  5. Marine invertebrates, land plants, reptiles, mammals

Answer(s): E

Explanation:

The order of appearance is as follows: marine invertebrates (570 million years ago), land plants (438 million years ago), reptiles (320 million years ago), mammals (208 million years ago).



The common scientific name for the red maple tree is Acer rubrum. This name includes which of the following classification divisions?

  1. Family, species
  2. Genus, species
  3. Family, genus
  4. Phylum, order
  5. Phylum, species

Answer(s): B

Explanation:

The common scientific name uses the genus and species classifications as a shorthand version of the full name.



Two organisms are more related if they share which of the following classification divisions?

  1. Phylum
  2. Class
  3. Order
  4. Family
  5. Kingdom

Answer(s): D

Explanation:

The classification scheme is as follows: Kingdom, Subkingdom, Phylum, Subphylum, Class, Subclass, Order, Family, Genus, Species.



Which of the following is an example of natural selection?

  1. Son having the same blood type as his mother
  2. The development of pesticide-resistant bacteria
  3. Father and son developing large muscles from weight lifting
  4. Daughter does not inherit gene for cancer
  5. Children of two parents are shorter than the parents

Answer(s): B

Explanation:

Bacteria inheriting characteristics that allow them to survive and more effectively reproduce is an example of natural selection.






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