The Porifera branch off first at the base of the animal phylogeny. Describe three morphological characteristics of the Porifera that support this placement and explain your scientific reasoning for choosing each one.

Q: DEUTEROSTOMIA Chordata Chordata V [Choose ] Endostyle Anus forms at or near the site of the…

A: Blastopore :-  It is a pit in the side of the embryo, through which cells destined to be endodermal…

Q: Create a dichotomous key for identifying and classifying the 9 major Invertebrate Phyla: Porifera…

A: A dichotomous key is tool to identify and characterise the groups of organisms based on thier…

Q: The phylum Platyhelminthes has what type of symmetry?

A: Phylum Platyhelminthes are belonging to Kingdom Animalia. This phylum is composed of 13,000 species.

Q: Define "synapomorphy" and "symplesiomorphy".

A: Animals are classified on the basis of similarities and dissimilarities. Cladistics recognises two…

Q: Which animal phyla have bilateral symmetry? Group of answer choices ;Select ALL that apply:…

A: Answer:- Bilateral symmetry means organisms that have body shapes that are mirror images These…

Q: Create a cladogram summarizing the phylogenetic relationships among the different phyla. Phyla:…

A: Thank you for the question Answer : In evolutionary biology, the organisms belonging to different…

Q: What is the sister group to the Tetrapoda clade?

A: A sister group or sister taxon is a phylogenetic term denoting the closest relative(s) of another…

Q: In the tree below, which taxon is most closely related to the Pseudergolinae?

A: The correct answer is option D. Cyrestinae. From the phylogenetic tree given here, we can say that…

Q: Draw a phylogenetic tree depicting our current understanding of the animal phylogeny. Include the…

A: Phylogenetic tree of animal is based on morphological, genetic and fossil evidence that helps us to…

Q: The planula stage in Cnidarians is similar to what life stage in two other non-animal organisms?…

A: It is critical to learn and know the anatomy and physiology of the body. Many changes in the animal…

Q: A bird, from a modern phylogenetic systematic perspective, is properly classified as a member of all…

A: A phylogenetic tree is a branching diagram or a tree showing the evolutionary relationships among…

Q: Which of the following classes includes the only type of echinoderm that has a calyx on a stalk?…

A: The phylum Echinoderms comprises marine animals that are distinguished by their spiny skin, water…

Q: Provide the following information about Ginkophyta  A brief overall description of the class/phylum

A: Ginkgophyta describes the group and plants that have seeds but no flowers and fruits (gymnosperms).…

Q: Which of the following is a characteristic of the Phylum Echinodermata? Organisms in the phylum…

A: Echinoderms are characterized with an internal skeleton, and a water-vascular system derived from…