This quiz is about some of the island nations that dot our globe. Pour yourself a rum or a daiquiri and enjoy!. Average score for this quiz is 6 / 10. Difficulty: Average. Played 2,031 times. As of Apr 16 17.
Most invertebrates are protostomes. Deuterostomes refer to an animal whose anus is formed from the blastopore and later, the mouth forms... Echinoderms which are sea stars, sea cucumbers and all vertebrates --animals with backbones, develop in this way and are deuterostomes.hylum Arthropoda are organisms which have jointed appendages and include: Crustaceans, Insects, Spiders to name a few. They are invertebrates.They are protostomes. This refers to an animal whose mouth is formed from the blastopore during embryonic development.
Confidence votes 51. The difference between protostomes and deuterostomes can first be analyzed within embryonic development. During development, an opening on the surface of the embryo will eventually connect to the the developing gut, which is called the archenteron, to the outside environment.