Cnidarians - Study guides, Class notes & Summaries

Developing the SSI Network benefits dive centers by: A. increasing communication between dive centers and resorts B. only increasing the flow of new divers to resorts C. decreasing communication between dive centers and resorts D. only increasing the flow of new divers to centers - A. increasing communication between dive centers and resorts An SSI Professional must to maintain active status. A. complete the online renewal B. all answers are correct C. affiliate with an active st...

Bio 151 Quiz 2 Cnidarians questions and answers

PNB 2250 Exam 3 Questions And Answers With Verified Study Tests Examples of respiratory structures of terrestrial animals ANS bulk flow with tracheal system and spiracles (insects), cutaneous (frog) Examples of respiratory structures of aquatic animals ANS bulk flow (sponges, cnidarians), gills, water vascular system, arborescent respiratory trees (sea cucumber), cutaneous (leech) Do all aquatic animals necessarily exchange gasses in water? ANS No, some aquatic animals could exchange g...

Analogies Correct Answer-Characters that can evolve more than once in separate groups by convergent evolution Homologies Correct Answer-Characters that are similar due to common ancestry Poriferans Correct Answer-The phylum that is made up of sponges Cnidarians Correct Answer-The phylum that contains jellyfish and sea anemones Radial symmetry Correct Answer-Organisms who's bodies have an axis that runs from mouth to base with many planes of symmetry through this axis; usually organi...

BIO 172 UH Manoa Exam 2 Questions and Answers 100% Pass **What are animals characterized by?** **Animals:** Multicellular eukaryotes that are heterotrophic, lacking cell walls, and having bodies held together by structural proteins like collagen. **What is the function of collagen in animals?** **Collagen:** It makes up connective tissues, providing flexibility, high tensile strength, and elasticity. **Differentiate between skin, ligament, and tendon based on collagen arrangeme...

BIO 205 Actual final Exam Practice Questions with Approved Marking Scheme 2024 What type of development takes place in sponges in internal fertilization? - correct answer amphiblastula larva Asexual reproduction in sponges - correct answer fragmentation, budding, gemmules (archeocytes gather in the mesophyll and each archeocyte undergoes mitosis which is then surrounded by trophocytes. The archeocytes egult the trophocytes and then are surrounded by tough spongin. They have micropyle. Wha...

Cnidocyte - ANSWER A specialized cell unique to the phylum Cnidarian; contains a capsule-like organelle housing a coiled thread (nematocyte) that, when discharged explodes outward and functions in prey capture or defense Ectoderm (Cnidarians) - ANSWER The outer most layer of the three primary germ layers in animal embryos; gives rise to the epidermis and in some phyla, the nervous system, inner ear and lens

e. All of the choices are correct except for myosin correct answers 9. The thin filament in skeletal muscle contains _____ molecules. a. actin b. myosin c. troponin d. tropomyosin e. All of the choices are correct except for myosin a. actin, myosin correct answers 9. Cross-bridges form between _____ and _____ during muscular contraction. a. actin, myosin b. actin, tropomyosin c. myosin, troponin d. myosin, tropomyosin e. troponin, calmodulin b. initiate changes in protein con...

Phylum of Parazoa and etc - Porifera = pore bearing = sponges with no tissues Sessile adults, mostly marine Asymmetrical or Radial symmetry Sponge morphology voacb - spongocel, choanocytes, mesohyl, amoebocytes Spongocel, osculum, ostium - central cavity of the sponge, large opening, pores choanocytes - collared cells; flagellated, line the spongocel and beat in unison and move water towards the top osculum; water goes in through the pores with food that may or may not be good to eat ...

. The two largest groups of marine reptiles are the ( ) and ( ) . - marine turtles, sea snakes ( ) are Herbivorous marine mammals related to elephants - dugongs • More people are attacked and killed by saltwater crocodiles than sharks - true 5. Unlike other marine mammals, sea otters lack ( ) and rely on their rich fur for insulation. - blubber A great drop in atmospheric ozone levels, thought to be caused by CFCs, currently occurs over Antarctica. - true A much greater diversity of f...

Acquired immunity - Develops after exposure to microbes, toxins, and/or foreign substances Active Immunity - Microbe introduced into the body to stimulate a response to a certain disease Adaptive Radiation - Divergence of a group into species adapted to many ecological niches Adrenal Gland - Regulate hormones of Fight or flight Alimentary system - System involved in the acquisition of nutrients from food Alimentary System - System involved in the acquisition of nutrients from food Ametabol...