Cnidarians - Study guides, Class notes & Summaries

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 ca...

Examples of respiratory structures of terrestrial animals -:- bulk flow with tracheal system and spiracles (insects), cutaneous (frog) Examples of respiratory structures of aquatic animals -:- bulk flow (sponges, cnidarians), gills, water vascular system, arborescent respiratory trees (sea cucumber), cutaneous (leech) Do all aquatic animals necessarily exchange gasses in water? -:- No, some aquatic animals could exchange gasses above water using lungs, like aquatic mammals, or cuta...

What is marine biology? - The study of life in the sea A subsection of marine science Oceanography - •Geological Oceanography •Physical Oceanography •Chemical Oceanography •Biological Oceanography Why study marine science? - • Diversity! •71% of the Earth's surface is covered by the oceans •Ocean makes up 99% of living space • History! •Life originated in the sea -We still develop in water • Resources! -$20 trillion/year Ancient Marine Science - •Ancient migr...

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...

Marine Biology Exam 1 Questions and Answers 100% Pass What is marine biology? - Correct Answer️️ -The study of life in the sea A subsection of marine science Oceanography - Correct Answer️️ -•Geological Oceanography •Physical Oceanography •Chemical Oceanography •Biological Oceanography Why study marine science? - Correct Answer️️ -• Diversity! •71% of the Earth's surface is covered by the oceans •Ocean makes up 99% of living space • History! •Life origi...

Cnidaria - ANSWER-What phylum are jellyfish in? Needle-like - ANSWER-What does cnidaria mean? Aquatic - ANSWER-What environment does cnidaria live in? Radial - ANSWER-What symmetry are cnidarians? sperm and eggs, gametes - ANSWER-How does a cnidaria reproduce? Scyphozoa - ANSWER-jellyfish class Hydrozoa - ANSWER-Example Portuguese man-of-war class Cubozoa - ANSWER-box jellyfish class Anthezoa - ANSWER-flower animal class Staurozoa - ANSWER-stalked jellyfish class Diffusion - ANSWER-How...

What is marine biology? - The study of life in the sea A subsection of marine science Oceanography - •Geological Oceanography •Physical Oceanography •Chemical Oceanography •Biological Oceanography Why study marine science? - • Diversity! •71% of the Earth's surface is covered by the oceans •Ocean makes up 99% of living space • History! •Life originated in the sea -We still develop in water • Resources! -$20 trillion/year Ancient Marine Science - •Ancient migr...

Which of the following is a defining characteristic of animals but not plants? - heterotrophic Being a heterotoph means - obtaining your food by eating other organisms what happened during the Cambrian explosion? - there was a rapid diversification of animal forms Most animals fall into one of how many phyla? - 9 How many of the animal phyla include single-celled animals? - 0 Which of the following best describes cnidarians? - They have radial body symmetry, tissues, and stinging cells F...

Classification of organisms according to evolutionary relationships. - Answer-Phylogeny Evolutionary classification - Answer-Taxonomy Domain> Kingdom> Phylum> Class> Order> Family> Genus> Species (Did King Phillip Come Over For Grandma's Soup) [ex. Homo sapien](italicized) - Answer-Linnaean system of classification (taxonomy) Basal Group: Branch from oldest common ancestor, no other branch from species. Sister Taxa: Share common ancestor - Answer-Phylogeny relationshi...