Multiple choice

Protozoa have a limited size because

  1. they have an intestine which does not allow higher absorption

  2. they have degenerated growth hormones

  3. they have a permeable limiting membrane which prevents the animals from growing beyond a certain size

  4. they are alive for a very less time period
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Protozoa are a cellular animals of small size, they have a permeable limiting membrane which prevents the animals from growing beyond a certain size, and it precludes the formation of structures which will give strength and rigidity necessary for a large size. 

Keep practicing — related questions