Why are sponges considered simpler organisms than cnidarians?

Why is it necessary for sponges to have pores?

How are sponges harvested?

Why were sponges once considered plants?

1. Sponges a. are nonsymmetrical and have oscula b. lack organization into tissues and organs but...

Many sponges can reproduce asexually. Ladybugs, on the other hand, reproduce sexually. When small bi...

A 5-pack of sponges costs $2.05. What is the unit price? $ per sponge

Sponges do not move and lack a nervous system and stomach. Why are they classified as animals rather...

if 75 bars of soap = 2 sponges 7 sponges?

Sponges do not move and lack a nervous system and stomach. Why are they classified as animals rather...

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