5 Written Questions

1. an animal that derives most of its body heat from its own metabolism.
2. an area of calm or very light winds near the equator, caused by rising warm air
3. the amount of solar energy converted to chemical energy (organic compounds) by autotrophs in an ecosystem during a given time period
4. a limited phase in an individual animal's development when learning of particular behaviors can take place
5. the level of harvest that produces a consistent yield without forcing a population into decline

5 Matching Questions

1. herbivore
2. horseshoe crab
3. lancelet
4. radiometric dating
5. forensic science

1. a an animal that eats only plants or algae
2. b one of a group of invertebrate chordates.
3. c a bottom-dwelling marine chelicerate, a member of the phylum Arthropoda.
4. d a method for determining the age of fossils and rocks from the ratio of a radioactive isotope to the nonradioactive isotope(s) of the same element in the sample
5. e the scientific analysis of evidence for crime scene and other investigations

5 Multiple Choice Questions

1. an individual who is heterozygous for a recessively inherited disorder and who therefore does not show symptoms of that disorder
   1. hybrid
   2. allele
   3. carrier
   4. cross
2. a symbiotic relationship in which the parasite, a type of predator, lives within or on the surface of a host, from which it derives its food
   1. mutation
   2. marsupial
   3. parasitism
   4. organism
3. a protist that lives primarily by ingesting food; a heterotrophic, animal-like protist
   1. protozoan
   2. stamen
   3. bilaterian
   4. polyploid
4. (C) a single-ring nitrogenous base found in DNA and RNA
   1. clone
   2. histone
   3. cross
   4. cytosine
5. a type of mimicry in which a species that a predator can eat looks like a different species that is poisonous or otherwise harmful to the predator
   1. adenine
   2. ray-finned fish
   3. Batesian mimicry
   4. speciation

5 True/False Questions

1. primary succession → a type of ecological succession in which a biological community arises in an area without soil

   True        False

2. speciation → the evolution of a new species

   True        False

3. mutagen → a chemical or physical agent that interacts with DNA and causes a mutation.

   True        False

4. photoheterotroph → an organism that obtains energy from sunlight and carbon from organic sources

   True        False

5. gene cloning → the production of multiple copies of a gene

   True        False