Download App

Biodiversity and Conservation — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYBiodiversity and Conservation2 Marks
Question
Explain taking one example, the effect of co-extinction on biodiversity.
✓

Answer

  1. Co-extinction leads to loss of biodiversity because when a species becomes extinct, the plant and animal species associated with it in an obligatory manner, also become extinct.
  2. In case of a co-evolved plant-pollinator mutualists, extinction of one of them invariably leads to the extinction of the other.
  3. If a host fish becomes extinct, the unique parasites depending on it walls also become extinct.

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 "Short Answer Type Questions [2M]" from Biodiversity and Conservation→Biodiversity and Conservation — all question types→BIOLOGY STD 12 Science question papers→Bihar Board STD 12 Science question papers→Bihar Board question paper generator→

Similar questions

Describe the technique by which genetic disorder in a developing foetus can be detected.
→
Write about the names and five classes of antibody.
→
Write names of different methods used in animal husbandry. Which method is best according to you and why?
→
What is menstrual cycle? Write name of any two stages of menstrual cycle.
→
What was the composition of the primitive atmosphere that favoured abiotic origin of life on earth?
→
How does addition of a small amount of curd to fresh milk help in the formation of curd? Mention a nutritional quality that gets added to the curd.

OR

How does ‘starter’ added to milk help it to set into curd?

→
How does over-exploitation of beneficial species affect biodiversity?
→
Discuss, is evolution a process or the end result of a process.
→
List the post-fertilisation events in angiosperms.
→
Sangeeta has developed a transgenic crop. She wants to grow this crop directly into the field. Will you allow her [2] to do so? What will you suggest her?
→