Drag the titles to the correct boxes to complete the pairs Identify the types of inhertiance based on the expression of alleles in the organism

Ineed to know why d is the correct answer asap

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent  

Explain what is meant by a river’s load, and describe how the load is carried.