Species concepts Knowledge-Based Download PDF

Questions

1. 1.

   Two natural populations of insects are completely reproductively isolated and genetically distinct, yet they are physically indistinguishable across all observable anatomical structures. Which species concept would fail to separate these cryptic populations and mistakenly classify them as a single species?

   • A) Biological species concept
   • B) Morphological species concept
   • C) Phylogenetic species concept
   • D) Ecological species concept
2. 2.

   Which species concept delineates a species primarily by observable anatomical features and body shape, allowing it to be readily applied to both asexual organisms and fossil specimens?

   • A) Biological species concept
   • B) Ecological species concept
   • C) Phylogenetic species concept
   • D) Morphological species concept
3. 3.

   Which species concept defines a species in terms of its ecological niche, distinguishing separate species by the specific functional roles and environmental resources they utilize?

   • A) Morphological species concept
   • B) Ecological species concept
   • C) Biological species concept
   • D) Phylogenetic species concept
4. 4.

   Which species concept defines a species as the smallest diagnosable group of individuals that share a common ancestor and form an exclusive monophyletic branch on a phylogenetic tree?

   • A) Biological species concept
   • B) Ecological species concept
   • C) Morphological species concept
   • D) Phylogenetic species concept
5. 5.

   Which species concept defines a species as a group of populations whose members have the potential to interbreed in nature and produce viable, fertile offspring, but cannot be applied to fossils or exclusively asexual organisms?

   • A) The morphological species concept
   • B) The ecological species concept
   • C) The phylogenetic species concept
   • D) The biological species concept