PHYSICAClass 11 Botany simulations ยท The Living World
Using a taxonomic key
Answer a chain of paired, contrasting questions (couplets) to identify one of six animals.
What to notice
A key separates organisms step by step using contrasting characters until only one remains.
Key relation
Each couplet offers two contrasting choices (lead)
Try this
Find the answers that lead to the frog. How many couplets did you need?
What you can change
- 1. Vertebral column (backbone): choose Present, Absent
- 2. If absent: jointed legs: choose Present, Absent
- 3. If present: paired fins or limbs: choose Fins, Limbs
- 4. Body covered with feathers: choose Yes, No
- 5. Hair and mammary glands: choose Yes, No (moist, scaleless skin)
More in The Living World
See all Class 11 Botany simulations or every Physica simulation.