I'm doing a portfolio for science and I'm stuck on one of the things its asking

its about starfish and it is asking Explain how body plan and anatomy enables invertebrate to perform the essential functions it needs to survive. I don't understand the question

Question

I'm doing a portfolio for science and I'm stuck on one of the things its asking

its about starfish and it is asking  Explain how body plan and anatomy enables invertebrate to perform the essential functions it needs to survive. I don't understand the question

isaac.tillman03 · Answer

Keep in mind invertebrates are those who have exoskeletons (outside skeleton) or are hydrostatic (no skeleton). This make up 95% of all animals for example an ant or sponge. For a sponge, all it has is tissues that enable it to allow water to flow out the tops.