1 Final

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Biology Review Questions

Biotic Relationships and Environmental Factors

  1. What biotic relationship occurs in an organism where one species is benefited while the other is harmed?
    2. Parasitism
  2. Which of the following is an example of environmental resistance?
    3. Various predators may compete for a similar prey.
    interaction and interdependence
  3. Which of the following conditions does NOT show abiotic factors in an ecosystem?
    4. A young woman gave birth to a healthy baby boy.
  4. The carrying capacity is the maximum number of organisms that an ecosystem can support. What factors influence the carrying capacity?
    5. Biotic potential, environmental resistance.
  5. What factors control the increase in population growth?
    6. Disease, predation, competitors, unsuitable habitat.
  6. What is the symbiotic relationship in an ecosystem when one organism benefits and the other is unaffected?
    7. Commensalism
  7. What is the type of interaction when the two species use the same limited resources and struggle with one another to survive?
    8. Competition
  8. What is the role of a predator in the ecosystem?
    9. Remove vulnerable prey

Phylogenetic Tree and Evolutionary Relationships

  1. Lineages that evolved early from the root and remain unbranched?
    2. Basal taxon
  2. The point where split takes place?
    3. Branch point
  3. Indicates that an ancestral lineage gave rise to all organisms on the tree?
    4. Root
  4. Monophyletic group is also called
    5. Clade
  5. Branch with more than two lineages?
    6. Polytomy
  6. Point of two lineages stem from the same branch?
    7. Sister taxa
  7. Greek word "phylon" from the word phylogeny means?
    8. Tribe
  8. Greek word "genesis" from the word phylogeny means?
    9. Origin
  9. Diagram that traces evolutionary relationships and connections among organisms?
    10. Lineages tree
  10. Group of organisms that share ancient ancestors but not most recent ancestors?
    11. Polyphyletic
  11. Indicates more than two immediate descendants?
    12. Polytomy
  12. Group of organisms with a most recent common ancestor, but not other descendants of the recent ancestor?
    13. Paraphyletic
  13. Indicates recent common ancestor and all the descendants of the recent common ancestor?
    14. Monophyletic

Reproduction in Animals

  1. Which statement is TRUE about asexual reproduction in animals?
    2. It produces offspring which are identical with the parents.
  2. For numbers 25-26, refer to the following choices below.
    3. C. Statement I and II are both correct.
  3. The male clownfish attracts the female clownfish through courting such as pulling and biting of fins.
    4. The biggest clownfish will always become female. Both correct
  4. Sexual reproduction involves the union of gametes, and it does not change the number of chromosomes present.
    5. Asexual reproduction involves the union of gametes, and it does not change the number of chromosomes present. Both are incorrect

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