Subject – Biology Grade 12 Elite Biology Name of Lesson - How Species Evolve Date - / LO - Describe the conditions under which new species may arise. 1. Which species concept relies on the ability of individuals to interbreed and produce fertile offspring? a. Biological species concept b. Morphological species concept c. Phylogenetic species concept d. Ecological species concept 2. According to the phylogenetic species concept, a species is defined as a group of individuals that share a common: a. Geographic range b. Ancestral lineage c. Ecological niche d. Morphological traits 3. The morphological species concept may not be reliable for identifying cryptic species because it primarily focuses on: a. Genetic differences b. Geographic distribution c. Observable physical characteristics d. Ecological adaptations 4. The ecological species concept emphasizes the role of ____________ in defining species. a. Genetic isolation b. Geographic isolation c. Niche differentiation d. Reproductive isolation 5. Which species concept is most concerned with the historical relationships among species and their common ancestry? a. Biological species concept b. Morphological species concept c. Phylogenetic species concept d. Ecological species concept / 6. According to the biological species concept, two populations that live in the same geographic area but cannot interbreed due to differences in mating behaviors are considered: a. Different species b. Subspecies c. Hybrid species d. Identical species 7. The recognition species concept is a refinement of which primary species concept? a. Biological species concept b. Morphological species concept c. Phylogenetic species concept d. Ecological species concept 8. In the context of the biological species concept, what is the term used to describe the region where two different species' geographic ranges overlap, and hybridization can occur? a. Hybrid zone b. Sympatry c. Allopatry d. Parapatry 9. The "species problem" refers to the challenge of: a. Identifying and defining species in nature b. Protecting endangered species c. Studying the behavior of species d. Classifying species based on phylogenetic relationships 10. Which species concept is considered the most inclusive, as it recognizes that different species concepts may apply in different contexts? a. Unified species concept b. Evolutionary species concept c. Genetic species concept d. None of the above Answers: a. Biological species concept b. Ancestral lineage c. Observable physical characteristics c. Niche differentiation c. Phylogenetic species concept a. Different species a. Biological species concept b. Sympatry a. Identifying and defining species in nature a. Unified species concept