Download App

Evolution — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYEvolution2 Marks
Question
What is speciation? List any two events leading to speciation.
✓

Answer

The process involving formation of new species from the existing species is called speciation.
Two events leading to speciation are:
  1. Interbreeding among different populations or species.
  2. Migration.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "2 Marks Questions" from Evolution→Evolution — all question types→BIOLOGY STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

Why cannabinoids are banned in sports and games?
→
Classify the following contraceptive measures into different methods of birth control.
  1. Saheli.
  2. Tubectomy.
  3. Vasectomy.
  4. Condoms.
  5. Diaphragms.
  6. Cervical caps.
→
How are flowers important for human beings?
→
Name the type of immunity the colostrum provides to a newborn baby. Write giving an example where this type of immunity should be provided to a person.
→
How do mammals living in colder regions and seals living in polar regions able to reduce the loss of their body heat?
→
Mention the kind of biodiversity represented by more than a 1000 varieties of mangoes in India. How is it possible?
→
Banana is a parthenocarpic fruit whereas oranges show polyembryony. How are they different from each other with respect to seeds?
→
Differentiate between secondary consumers and secondary carnivores?
→
A person has inhaled air having particulate pollutants of size less than 2.5 micrometers in diameter. What could be the impact of their pollutants on his respiratory system?
→
What are flocs? State their role in biological treatment of sewage.
→