BIOBASICS Question of the Week:
State True/ False:
1. Echinoderms are marine animals.
2. Like Vertebrates, Echinoderms also have internal skeleton with same composition as the former.
3. Echinoderms have incomplete digestive system.
4. Echinoderms have well-defined respiratory and circulatory systems.
BIOBASICS Solution:
1. true
2. False (have internal skeleton but it has different composition i.e. it is made of calcium carbonate)
3. false (digestive system is complete with mouth and anus)
4. false (donot have any of these systems)
