Echinoderms can be best described as
WebAsteroidea. Echinoderms. are bilaterally symmetrical as larvae and radially symmetrical as adults. The symmetry exhibited by adult echinoderms is. radial. The name echinoderm … WebMar 18, 2024 · 1 Approved Answer. Answers of all MCQ with Explanation:- 1) Correct option :- b) They have radial body symmetry, tissues, and stinging cells. Explanation:- The body plan of cnidarians is unique because these organisms show radial symmetry, making these animals very different from those that evolved before them.
Echinoderms can be best described as
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WebEchinodermata are so named owing to their spiny skin (from the Greek "echinos" meaning "spiny" and "dermos" meaning "skin"). This phylum is a collection of about 7,000 described living species. Echinodermata are exclusively marine organisms. Sea stars, sea cucumbers, sea urchins, sand dollars, and brittle stars are all examples of echinoderms. WebEumetazoans have three embryonic tissue layers. Most animal phyla belong to the clade Radiata. Sponges are diploblastic animals. All animals share a common ancestor. 5. All animals share a common ancestor. Some species of rotifers consist solely of females. Their method of reproduction is described as _____.
WebCnidarians are the only animal phylum to display _____, meaning that their bodies can be divided anyway through the center point to yield two even halves. All other adult animals … WebApr 9, 2024 · Echinoderms are members of the phylum Echinodermata which is a group of marine animals. The term is derived from Greek words which mean ‘spiny skin’. The Echinodermata phylum has about 7,000 …
Webmost molluscs have a soft body enclosed in a calcium carbonate shell. The body is covered by a __, a thin layer of tissue that secretes the shell. Radula. a feature unique to … WebMar 11, 2024 · Updated on March 11, 2024. Echinoderms, or members of the phylum Echinodermata, are some of the most easily-recognized marine invertebrates. This phylum includes sea stars (starfish), sand dollars, …
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WebJul 19, 2024 · Vocabulary. A keystone species is an organism that helps define an entire ecosystem. Without its keystone species, the ecosystem would be dramatically different or cease to exist altogether. Keystone species have low functional redundancy. This means that if the species were to disappear from the ecosystem, no other species would be able … pop tarts twitterWebFlat worms are most clearly related to the________. Annelids. Worms all appear to be closely related but have distinct evolutionary histories, resulting in the classification of … pop tart stuffed animalWebStudy with Quizlet and memorize flashcards containing terms like The process of ..... involves the transfer of DNA from one bacterium to another by a virus., A ..... is a small … pop tart strawberryWebCorrect Chapter 10 Question 19 MultipleChoice Part A The radial symmetry of adult echinoderms could best be described as _____. ANSWER: Organization of cells into tissues Mobility Symmetry None of the above They have radial body symmetry and tissues but lack stinging cells. They have radial body symmetry, lack tissues, but have stinging … shark bite half facebookWebApr 1, 2024 · Echinoderms are a type of marine invertebrate that have radial symmetry and unique vascular systems. This includes invertebrates like starfish or sea stars. All echinoderms belong to the Echinodermata phylum. Their radial symmetry allows all parts of the body to match up when rotated up to 360 degrees. pop tart strawberry milkshakeWebJun 8, 2024 · Figure 28.5 B. 1: Sea urchins: Sea urchins do not have arms, but have rows of tube feet that can be extended out of pores of the internal shell. Sea lilies and feather stars are examples of Crinoidea. Both of these species are suspension feeders. They live both in shallow water and in depths as great as 6,000 meters. pop tarts vs ice creamWebOn the other hand, most sea stars and brittle stars can flex their ‘arms’, indicating that the skeleton has gaps and flexible plate junctures. Sea cucumbers have no real skeleton; only tiny remnant ossicles. Many echinoderms have spines. In fact, the word ‘Echinodermata’ means ‘spiny skinned’. The spines poptarts wall art