Chelicerata Study guides, Class notes & Summaries

1. Phylum Porifera - Answer-- sponges - loosely organized and lack tissues - multicellular with several types of cells - 8,000 species, mostly marine - no apparent symmetry - adults sessile, larvae free-swimming - water drawn through pores into spongocoel - flows out through osculum - choanocytes line spongocoel - mesohyl between choanocytes and epithelial cells - reproduce sexually and asexually 10. Phylum Nematoda - Answer-- roundwomrs - in nearly all habitats - over 20,000 specie...

Genus Triticites Genus Nummulites Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:00 Full screen Genus Astraeospongia (calcareous sponge) Genus Hydnoceras (glass sponge) Genus Archimedes Genus Rhombopora Order Dendroidea (benthic graptolites) Order Graptoloidea (planktic graptolites) Genus Favosites Genus Halysites Genus Heliophyllum (horn coral) Genus Hexa...

WSU Biology 106 Exam 3 >> Questions and Answers Updated | 2024 Spongocoel the large central cavity of sponges. water enters the spongocoel through tiny pores called ostia and it exits through the large opening called the osculum. spongocoel is lined with choanocytes which help to create a current in the water. Spicule structural elements found in most sponges. They provide structural support and deter predators. Large ones are called megascleres while microscopic ones...

what phylum is class polyplacophora? Mollusca what phylum is class Gastropoda? Mollusca 00:23 01:22 What phylum is class bivalvia? Mollusca What class is genus Anodontia? Class Bivalvia What phylum is class Cephalopoda? Mollusca What class is genus Loligo? Class Cephalopoda What phylum is subphylum Chelicerata? Arthropoda What subphylum is class merostomata? Chelicerata What class is genus Limulus? merostomata What...

WSU Biology 106 Exam 3 Questions Marking Scheme Spongocoel - ANSWER- the large central cavity of sponges. water enters the spongocoel through tiny pores called ostia and it exits through the large opening called the osculum. spongocoel is lined with choanocytes which help to create a current in the water. Spicule - ANSWER- structural elements found in most sponges. They provide structural support and deter predators. Large ones are called megascleres while microscopic ones are calle...

WSU Biology 106 Exam 3 Questions Marking Scheme Spongocoel - ANSWER- the large central cavity of sponges. water enters the spongocoel through tiny pores called ostia and it exits through the large opening called the osculum. spongocoel is lined with choanocytes which help to create a current in the water. Spicule - ANSWER- structural elements found in most sponges. They provide structural support and deter predators. Large ones are called megascleres while microscopic ones are calle...

WSU Biology 106 Exam 3 Questions Marking Scheme Spongocoel - ANSWER- the large central cavity of sponges. water enters the spongocoel through tiny pores called ostia and it exits through the large opening called the osculum. spongocoel is lined with choanocytes which help to create a current in the water. Spicule - ANSWER- structural elements found in most sponges. They provide structural support and deter predators. Large ones are called megascleres while microscopic ones are calle...

Middle School Science Bowl Study Guide skeleton - answerthe internal supporting structure that gives an artifact its shape vertebrae - answerbackbone (26 bones) joint - answerthe point of connection between two bones ligaments - answertissue that connects bone to bone compact bone - answerHard, dense bone tissue that is beneath the outer membrane of a bone. spongy bone - answerpart of bone with many small pores or spaces marrow - answerconnective tissue that fills the cavities of bones c...

What does insect hemolymph transfer in the body? Nutrients, wastes, hormones, immune cells and peptides, BUT NEVER O2!! What kind of circulatory system do insects have? open circulatory system: hemolymph is in direct contact with tissues Brainpower Read More What is the dorsal vessel? Main circulatory organ of insects. It spans the entire length of an insect's body on the dorsal side. Anterior: aorta. Posterior: heart What are Alary muscles? muscles that hold the heart in...

According to research, the closest living relative of animals is believed to be a flagellated protist known as choanoflagellate. anatomical features belonging to Radata include presences of specialized tissue, two germ layers, circular or tubular shape with mouth parts at one end Animals belonging to the group Bilateria exhibit what anatomical characteristics? dorsal and ventral side, and anterior and posterior end, cephalization What are germ layers? ectoderm, mesoderm, endoderm: cell ...