Groups of cnidaria - Study guides, Revision notes & Summaries

Distinguish Characteristics - Phylum Porifera Characteristics - - sponges - considered the basal animal - sessile animals - lack true tissues -filter feeders -hermaphrodites phylum Cnidaria characteristics - - have true tissues -gastrovascular cavity -ring of tentacles with cnidocytes to capture prey - polys and medusa phylum Platyhelminthes - flatworms -dorsoventrally flattened bodies - Flat shape increases surface area for nutrient, gas, and waste exchange - Found in mar...

Mollusca, Arthropoda, Chordata, Echinodermata, Cnidaria, Porifera correct answers Phyla found in the rocky intertidal By size: macrofauna are larger than 1mm and meifauna are less than 1mm correct answers How do scientists define macrofauna and meiofauna? Chlorophyta (green), rhodophyta (reds), phaeophyta (browns - fucoids and kelps) correct answers The 3 different divisions of macroalgae found on rocky shores Primary producers (micro and macroalgae), grazers (limpets, periwinkles, urch...

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...

Marine Science Latest Update with Verified Solutions Aggregations Random fish in the same location, such as fish feeding in the same area of a kelp forest or coral reef Annelids A large phylum that contains many types of worms, including marine worms Cnidaria(cnidarians) Invertebrate species that were among the earliest multicellular life to have on earth. This group shares the common feature of "cnidocytes). Cnidocytes venomous, stinging cells present on all of the species called "cnidaria...

1 BROOKS BIODIVERSITY UNIT 3 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ Plants Architecture Correct Answer: Plant needs i. collection & conversion of solar energy -> leaves ii. positioning & support of leaves -> stems iii. anchorage & absorption -> roots iv. transport -> vascular system Leaf Structure Correct Answer: Epidermis, Mesophyll, and Vein (Vascular Bundle) Epidermis contains what? Correct Answer: - Cuticle - Guard cells with Stomata ...

LPF Exam 3 Review | UPDATED What do fungi and arthropods have in common - both groups have chitin Specialized symbiotic associations between the roots of plants and fungi are called - mycorrhizae A mass of hyphae is commonly referred to as - a mycelium A symbiotic association between fungus and a green alga or a cyanobacterium is called a - lichen Which of the following refers to a symbiotic relationships that involve fungi living between the cells in plants (several synthesize al...

ZOL1501 Revision PACK Questions. Answers Prepare by Spirogyra 23 May 2019 Learning Unit 1 Architectural patterns of Animals Five major grades of organization 1. Protoplasmic grade of organization. ‣ Protoplasmic grade characterizes unicellular organisms ‣ All life functions are confined within boundaries of a single cell, the fundamental unit of life ‣ Within Cell, protoplasm is differentiated into organelles capable of performing specialized functions 2. Cellular grade of or...

DAT Biology exam #1 with answer explanation All of the following statements are part of modern cell theory EXCEPT one. Which one is the EXCEPTION? A. An organism's activity is dependent on the activity of its independent cells. B. Metabolism and biochemistry occur within cells. C. Hereditary information is stored in cells and is shared between cells during cell division. D. All cells contain a nucleus for the storage of genetic material. E. All cells in organisms of similar spec...

Microbiology Exam Which is the smallest unit of life that can exist as a separate entity? a. a cell b. a molecule c. an organ d. a population - ANS a cell All of the following are characteristics of life except a. ionization. b. metabolism. c. reproduction. d. cellular organization. - ANS ionization All forms of life share the basic characteristics of a. the ability to obtain and use energy by metabolism. b. the ability to sense and respond to...

smallest unit that has all of the characteristics of life - ANSWER-cell nutrient molecules are used to build cellular structures or for energy. this best represents which characteristic of life? - ANSWER-living things acquire materials and energy from the environment organs are composed of tissues, which are composed of cells. this is an example of which characteristic of life? - ANSWER-living things have levels of hierarchical organization which statement concerning reproduction is fal...