Question

- Write down the character without jointed legs. Echinoderms.cnidarians annelids nematods, molluses​

Answer 1

Explanation:

Osmosis (/ɒzˈmoʊ. sɪs/) is the spontaneous net movement of solvent molecules through a selectively permeable membrane into a region of higher solute concentration, in the direction that tends to equalize the solute concentrations on the two sides. ... Osmosis can be made to do work.

Answer 2

Explanation:

The phylum porifera contains the earliest invertebrates: the sponges. Sponges lack true tissues. Instead of tissues, sponges have specialized cells that carry out functions such as digestion and reproduction. Sponges are both extremely simple organisms and very well-adapted in an evolutionary sense. They have been around in a similar form for well over 600 million years. The phylum cnidaria includes jellyfish, hydrozoans, and corals. They are radially symmetrical and have true tissues. Many cnidarian species are critical members of the vast coral reefs found in tropical marine regions. An example of a sponge species