Sponges are aquatic animals that spend their entire lives affixed to a single point on the ocean or sea floor. At one point in history, they were considered plants because of their shape and sedentary lives. Ho
Why are sponges considered animals? Why is the phylum Arthropoda the largest phylum? Why are most fossils of cnidarians coral fossils? Why is the conodont animal placed among the Craniata subphylum? Why are amphibians called amphibians?
Sponges Are Diverse Animals That Pioneered Filter FeedingWhile sorting photos from my recent trips to the western Pacific, I enlarged several shots of...Scott, Susan
Watch complete video answer for “Sponges are primitive multicellular animals and have” of Biology Class 12th. Get FREE solutions to all questions from chapter ANIMALIA -I (LOWER INVERTEBRATES).
cell signaling pathways, especially Wnt and fibroblast growth factor (FGF) signaling; and the role of innervation [1]. Whole-body regeneration is considered to be the ancestral mode of regeneration, and it has its most striking examples in sponges, ctenophores, cnidarians, and placozoans [1,6...
cell signaling pathways, especially Wnt and fibroblast growth factor (FGF) signaling; and the role of innervation [1]. Whole-body regeneration is considered to be the ancestral mode of regeneration, and it has its most striking examples in sponges, ctenophores, cnidarians, and placozoans [1,6...
invertebrateAdd to list Share. An invertebrate is an animal without a backbone. Invertebrate animals include fruit flies and sea sponges. ... These are the two major groups of animals. Also, this word is used for people who are spineless in the sense of having no courage. ...
been diving for these animals since ancient time. people in ancient times used dried sponges for cleaning and painting. men still dive for sponges. animal sponges are needed for many things. but most sponges sold in the stores are not animals. they are made by man. how are the sponges ...
What types of organisms are most often considered keystone species? What eats sea urchins in a coral reef? What is the keystone species in a kelp forest? Why are sponges basal animals? Why do earthworms lack an exoskeleton? Why are mosses pioneer species?
Sponges are the simplest of animals. What separates them from other animals is that they do not have tissues or systems and that their cells are only...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your ...