Multiple choice

Succession, starting at bare rock is termed as

  1. xerosere

  2. lithosere

  3. hydrosere

  4. psammosere

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

 Succession, starting at bare rock is termed as lithosere. In the case of a lithosere the pioneer species will be cyanobacteria and algae, which create their own food and water—i.e., they are autotrophic and so do not require any external nutrition (except sunlight).