Starfish & Spiders Compare and contrast the following different species of invertebrate Similarities •Both of them carry their eggs until it hatches •Both doesn’t have spine. ( Invertebrate) •Both can act as a food for human •Both heterotrophy taging system for the spider m, and stages 10 to 21 provide on of later development Spider Differences Starfish • Only Sexual reproduction • Both Sexual, Asexual reproduction • Take care of the offspring by sharing food, by feeding them ooze from their mouth. • Do not care of the young after birth because they don’t have brain • When they hatch, mother spider takes care of everything, but when it’s time to be independent, they learn how to hunt by itself. • After it is fertilized, the thin layer o f clearly visible liquid form a body shape which is a young starfish • There are total 25 stages.Stage 1 to 9 work on stage, from stage 10 to 21 provide high resolution. • Once the eggs are fertilized, the cell’s embryo grows as a larva form ( 15 stages) Embryo development of starfish A Young Starfish Spider’s embryo Young Spiders attached to the mother’s back