Coral Animals

Multiple Choice

Coral animals

A) are a diverse group of cnidarians often forming mutualistic symbiotic relationships with dinoflagellate algae.
B) are predominantly photosynthetic, multicellular algae.
C) can tolerate low oxygen and nutrient levels, and varying levels of salinity.
D) can only survive in tropical waters 30oC and above.
E) build coral reefs by glueing sand particles together.