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Chapter 26 – Sponges and Cnidarians A Topic 1 Topic 2 Topic 3 Topic 4 Topic 5 $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 FINAL ROUND Topic 1: $100 Question ______________ and archaeocytes are cells that digest food in sponges. a. Invertebrates b. Prokaryotes c. Teleosts d. Choanocytes ANSWER BACK TO GAME Topic 1: $100 Answer ______________ and archaeocytes are cells that digest food in sponges. a. Invertebrates b. Prokaryotes c. Teleosts d. Choanocytes BACK TO GAME Topic 1: $200 Question Cnidarians have a(an) __________ that enables them to respond to touch by pulling their tentacles inside their bodies. a. brain b. body plan c. nerve net d. skeletal system ANSWER BACK TO GAME Topic 1: $200 Answer Cnidarians have a(an) __________ that enables them to respond to touch by pulling their tentacles inside their bodies. a. brain b. body plan c. nerve net d. skeletal system BACK TO GAME Topic 1: $300 Question Animals that do not have backbones are called _______________. a. chemoautotrophs b. dischordates c. vertebrates d. invertebrates ANSWER BACK TO GAME Topic 1: $300 Answer Animals that do not have backbones are called _______________. a. chemoautotrophs b. dischordates c. vertebrates d. invertebrates BACK TO GAME Topic 1: $400 Question The front end of an organism is the __________ end. a. distal b. anterior c. posterior d. proximal ANSWER BACK TO GAME Topic 1: $400 Answer The front end of an organism is the __________ end. a. distal b. anterior c. posterior d. proximal BACK TO GAME Topic 1: $500 Question Sexual reproduction helps maintain ________ diversity in populations. a. genetic b. species c. anatomical d. clinical ANSWER BACK TO GAME Topic 1: $500 Answer Sexual reproduction helps maintain ________ diversity in populations. a. genetic b. species c. anatomical d. clinical BACK TO GAME Topic 2: $100 Question Large animals have a(an) __________ system to move materials around in their bodies. a. circulatory b. respiratory c. skeletal d. muscular ANSWER BACK TO GAME Topic 2: $100 Answer Large animals have a(an) __________ system to move materials around in their bodies. a. circulatory b. respiratory c. skeletal d. muscular BACK TO GAME Topic 2: $200 Question Symbionts provide as much as 60 percent of the _________ that reef-building corals need. a. food b. water c. DNA d. energy ANSWER BACK TO GAME Topic 2: $200 Answer Symbionts provide as much as 60 percent of the _________ that reef-building corals need. a. food b. water c. DNA d. energy BACK TO GAME Topic 2: $300 Question Cnidarians have stinging tentacles around their__________. a. heads b. tails c. mouths d. ears ANSWER BACK TO GAME Topic 2: $300 Answer Cnidarians have stinging tentacles around their__________. a. heads b. tails c. mouths d. ears BACK TO GAME Topic 2: $400 Question In a jellyfish, the ___________ stage reproduces asexually. a. medussa b. motile c. polyp d. grantia ANSWER BACK TO GAME Topic 2: $400 Answer In a jellyfish, the ___________ stage reproduces asexually. a. medussa b. motile c. polyp d. grantia BACK TO GAME Topic 2: $500 Question The class of cnidarians that includes sea anemones and corals is called ________. a. Protozoa b. Anthozoa c. Anemonezoa d. Choanozoa ANSWER BACK TO GAME Topic 2: $500 Answer The class of cnidarians that includes sea anemones and corals is called ________. a. Protozoa b. Anthozoa c. Anemonezoa d. Choanozoa BACK TO GAME Topic 3: $100 Question The internal space of a cnidarian is called a(an) ______________. a. mesoderm b. ectoderm c. gastrovascular cavity d. gut ANSWER BACK TO GAME Topic 3: $100 Answer The internal space of a cnidarian is called a(an) ______________. a. mesoderm b. ectoderm c. gastrovascular cavity d. gut BACK TO GAME Topic 3: $200 Question The life cycle of most cnidarians includes medusas and ____________. a. polyps b. adults c. juveniles d. nymphs ANSWER BACK TO GAME Topic 3: $200 Answer The life cycle of most cnidarians includes medusas and ____________. a. polyps b. adults c. juveniles d. nymphs BACK TO GAME Topic 3: $300 Question Cells that move about within the walls of a sponge and function in digestion, reproduction, and support are called __________. a. choanocytes b. archaeocytes c. erythrocytes d. leucocytes ANSWER BACK TO GAME Topic 3: $300 Answer Cells that move about within the walls of a sponge and function in digestion, reproduction, and support are called __________. a. choanocytes b. archaeocytes c. erythrocytes d. leucocytes BACK TO GAME Topic 3: $400 Question Sponges that are used for bathing contain a network of flexible protein fibers called __________. a. oxylin b. spongin c. chitin d. myosin ANSWER BACK TO GAME Topic 3: $400 Answer Sponges that are used for bathing contain a network of flexible protein fibers called __________. a. oxylin b. spongin c. chitin d. myosin BACK TO GAME Topic 3: $500 Question Photosynthetic symbiotic organisms provide many sponges with food and __________. a. lubricants b. supplements c. oxygen d. nitrogen ANSWER BACK TO GAME Topic 3: $500 Answer Photosynthetic symbiotic organisms provide many sponges with food and __________. a. lubricants b. supplements c. oxygen d. nitrogen BACK TO GAME Topic 4: $100 Question Flagella are important to the essential functions within a sponge because flagella a. Protect the organism from predators. b. Help move water through the organism’s body. c. Produce toxins that make them poisonous to predators. d. Digest food particles trapped within the organism. ANSWER BACK TO GAME Topic 4: $100 Answer Flagella are important to the essential functions within a sponge because flagella a. Protect the organism from predators. b. Help move water through the organism’s body. c. Produce toxins that make them poisonous to predators. d. Digest food particles trapped within the organism. BACK TO GAME Topic 4: $200 Question How do some sponges play an important role in the primary productivity of coral reefs? a. They provide food for sponge-eating sea stars. b. They attract light with their antennae. c. They are harvested for sale as bath sponges. d. They have symbiotic relationships with photosynthetic organisms. ANSWER BACK TO GAME Topic 4: $200 Answer How do some sponges play an important role in the primary productivity of coral reefs? a. They provide food for sponge-eating sea stars. b. They attract light with their antennae. c. They are harvested for sale as bath sponges. d. They have symbiotic relationships with photosynthetic organisms. BACK TO GAME Topic 4: $300 Question Sponges reproduce sexually by a process called a. cephalization. b. internal fertilization. c. radial symmetry. d. budding. ANSWER BACK TO GAME Topic 4: $300 Answer Sponges reproduce sexually by a process called a. cephalization. b. internal fertilization. c. radial symmetry. d. budding. BACK TO GAME Topic 4: $400 Question Which two functions do nematocysts perform? a. reproduction and defense b. capturing prey and locomotion c. defense and capturing prey. d. locomotion and reproduction. ANSWER BACK TO GAME Topic 4: $400 Answer Which two functions do nematocysts perform? a. reproduction and defense b. capturing prey and locomotion c. defense and capturing prey. d. locomotion and reproduction. BACK TO GAME Topic 4: $500 Question Many sponges protect themselves from predators by producing a. larvae b. choanocytes c. toxins d. nematocytes ANSWER BACK TO GAME Topic 4: $500 Answer Many sponges protect themselves from predators by producing a. larvae b. choanocytes c. toxins d. nematocytes BACK TO GAME Topic 5: $100 Question Cnidocytes help a cnidarian survive by a. paralyzing prey. b. providing movement. c. forming colonies d. storing food. ANSWER BACK TO GAME Topic 5: $100 Answer Cnidocytes help a cnidarian survive by a. paralyzing prey. b. providing movement. c. forming colonies d. storing food. BACK TO GAME Topic 5: $200 Question How do polyps differ from medusas? a. Polyps have a mesoglea, and medusas do not. b. Medusas are cylindrical and usually sessile, and polyps are bell-shaped and motile. c. Medusas are carnivorous, and polyps are not. d. Polyps are cylindrical and usually sessile, and medusas are bell-shaped and motile. ANSWER BACK TO GAME Topic 5: $200 Answer How do polyps differ from medusas? a. Polyps have a mesoglea, and medusas do not. b. Medusas are cylindrical and usually sessile, and polyps are bell-shaped and motile. c. Medusas are carnivorous, and polyps are not. d. Polyps are cylindrical and usually sessile, and medusas are bell-shaped and motile. BACK TO GAME Topic 5: $300 Question Which of the following best describes the feeding habits of sponges? a. predators b. filter feeders c. parasites d. detritivores ANSWER BACK TO GAME Topic 5: $300 Answer Which of the following best describes the feeding habits of sponges? a. predators b. filter feeders c. parasites d. detritivores BACK TO GAME Topic 5: $400 Question Some sponges are green because a. they are more like plants than animals. b. they filter algae out of the water for food. c. they have photosynthetic organisms in their tissues. d. they are primary producers. ANSWER BACK TO GAME Topic 5: $400 Answer Some sponges are green because a. they are more like plants than animals. b. they filter algae out of the water for food. c. they have photosynthetic organisms in their tissues. d. they are primary producers. BACK TO GAME Topic 5: $500 Question Sponges benefit some marine animals by a. providing a habitat. b. eating diseased corals. c. supplying them with oxygen. d. poisoning their predators. ANSWER BACK TO GAME Topic 5: $500 Answer Sponges benefit some marine animals by a. providing a habitat. b. eating diseased corals. c. supplying them with oxygen. d. poisoning their predators. BACK TO GAME FINAL ROUND Question Question: a. Choice 1 b. Choice 2 c. Choice 3 d. Choice 4 ANSWER BACK TO GAME FINAL ROUND Answer Question: a. Choice 1 b. Choice 2 c. Choice 3 (correct answer) d. Choice 4 BACK TO GAME