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#Question id: 40519
#Environmental Science
Identify correct statements about species concept:
1.Biological species concept uses reproductive isolation
2.Morphological species concept relies on appearance
3.All species concepts give identical results
4.Species are evolutionary units
TLS Online TPP Program
#Question id: 40520
#Environmental Science
Which statements about phylogenetic classification are correct?
1.Based on evolutionary history
2.Uses molecular data
3.Ignores morphology
4.Reflects common ancestry
TLS Online TPP Program
#Question id: 40521
#Environmental Science
ASSERTION–REASON
Assertion (A): Numerical taxonomy uses many observable characters.
Reason (R): It reduces subjectivity in classification.
TLS Online TPP Program
#Question id: 40522
#Environmental Science
ASSERTION–REASON
Assertion (A): Cytotaxonomy helps identify evolutionary relationships.
Reason (R): Chromosome number and structure vary among taxa.
TLS Online TPP Program
#Question id: 40523
#Environmental Science
Match the classification approach with its core principle
| Column I | Column II |
| A. Cladistics | 1. Shared derived characters |
| B. Phenetics | 2. Overall similarity scoring |
| C. Evolutionary taxonomy | 3. Ancestry + degree of divergence |
| D. Biosystematics | 4. Population-level variation |
TLS Online TPP Program
#Question id: 40524
#Environmental Science
Match taxonomic evidence with interpretation
| Column I | Column II |
| A. Homologous organs | 1. Common ancestry |
| B. Analogous organs | 2. Convergent evolution |
| C. Vestigial structures | 3. Evolutionary remnants |
| D. Molecular homology | 4. Genetic relatedness |