WebMolting is under hormonal control, and there is a long preparatory phase that precedes the process. The steroid hormone ecdysone, secreted by specific endocrine centres and circulated in the blood, is the direct … WebStudy with Quizlet and memorize flashcards containing terms like Which of the following features is characteristic of the poriferan (sponge) body plan or life history? A) extracellular digestion B) motile larvae C) closed circulatory system D) ventral nerve chord E) specialized respiratory surfaces, An unidentified species of animal displays the following …
Phylum - Definition and Examples - Biology Online Dictionary
Web23 sep. 2024 · Phylum Examples. All living organisms have been placed in 5 major kingdoms according to Robert Whittaker.They are Monera, Protista, Fungi, Plants, and Animals.Whether it be plants or animals, the definition of “kingdom” remains the same, i.e. “a taxonomic rank that is above phylum and below domain”. Phylum is the 3rd highest … WebA term used to describe a larval of either the phylum mollusca or annelida The evolutionary innovation that first appeared in arthropods and is characteristic of the most successful of all animal groups is that of ____. Jointed appendages Mollusk body plan uses what to move? foot is used for locomotion Annelids are characterized by: segmentation ee cummings somewhere i never traveled
Answered: 3b. Which phyla have growth by molting? bartleby
WebPhylum Mollusca is predominantly a marine group of animals; however, they are known to inhabit freshwater as well as terrestrial habitats. It is estimated that 23 percent of all known marine species are mollusks, making them the second most diverse phylum of animals. Web29 mrt. 2024 · In order to grow they have to shed their exoskeleton (this process is known as molting ). Clams belongs to Phylum Mollusca, where mantle covers the visceral organs and have an open circulatory system (in which blood vessels are absent). Starfish belongs to Phylum Echinodermata. WebA) is the same thing as molting B) is a feature in the life history of just a few insect species C) features a larval stage that looks different from the adult D) is accompanied by a … ee cummings wedding poem