1. Which class of arthropods would include venomous organisms? A.Insects C. Stingray B.Snakes D. Arachnids 2. Which class of arthropods is capable of true flight? A.Arachnids B. Crustaceans C. Insects 3. How many body segments do insects have? A.3 C. 1 B.0 D. 2 4.Many arthropods go this process as they are growing from young into adults. a. mitosisb. metamorphosis c. osmosis d. endocytosis

5.The members of this phylum all have jointed appendages and an exoskeleton. a. echinoderms b. mollusks c. cnidarians d. arthropods ______________________ are animals that lack an internal skeleton and backbone. a. Vertebrateb. Invertebrate

8. This simple animal has frequently been described as a “tube within a tube.” a. sponge b. snake c. jellyfishd. sea cucumber 9. Which conclusion can be made about earthworms because they do not have an internal skeleton? a. They are invertebrates. b. They have radial symmetry. 10.Ticks and mites are types of ____________________ because they feed off the blood of other living organisms called hosts and harm the host in the process. a. parasites b. filter feeders

11. What is the purpose of molting? A.Arthropods must shed their exoskeleton and grow a new, larger one. B.Arthropods skin dries out very easily. C.Molting removes deadly toxins from the arthropods cells. D.Molting is a form of asexual reproduction in arthropods. 12. Refer to the picture of an ocean jelly to answer the question that follows. A characteristic that causes ocean jellies to be classified into the phylum Cnidaria is the presence of a. a muscular foot. b. stinging cells. c. spines. d. tentacles

16. 17

18. These tiny animals secrete a hard substance called calcium carbonate that builds up over thousands of years to build large reefs. a. sea anemones b. sand dollars c. coralsd. sponges 19.

A coral head is covered with hundreds of coral polyps that all originated with a single polyp. What type of reproduction has occurred to develop a coral head with so many clones of the original polyp? a. fragmentation b. buddingc. meiosis

Essay: You must write in complete sentences! Choose one topic below to discuss. Give as much detail as you can. Choice 1: What types of symmetry exists in animals? Give an example organism for each type of symmetry. Discuss how the organism’s symmetry help’s it to function in it’s environment. Choice 2: Choose one phyla of invertebrates that we have studied and write a paragraph describing that phylum. Please provide characteristics of the phylum and give examples of invertebrates that are members of this group. You may choose from sponges, cnidarians, mollusks, segmented worms, flat worms, round worms, arthropods, and echinoderms.

1. Which class of arthropods would include venomous organisms? A.Insects C. Stingray B.Snakes D. Arachnids 2. Which class of arthropods is capable of true flight? A.Arachnids B. Crustaceans C. Insects 3. How many body segments do insects have? A.3 C. 1 B.0 D. 2 4.Many arthropods go this process as they are growing from young into adults. a. mitosisb. metamorphosis c. osmosis d. endocytosis

5.The members of this phylum all have jointed appendages and an exoskeleton. a. echinoderms b. mollusks c. cnidarians d. arthropods ______________________ are animals that lack an internal skeleton and backbone. a. Vertebrateb. Invertebrate

8. This simple animal has frequently been described as a “tube within a tube.” a. sponge b. snake c. jellyfishd. sea cucumber 9. Which conclusion can be made about earthworms because they do not have an internal skeleton? a. They are invertebrates. b. They have radial symmetry. 10.Ticks and mites are types of ____________________ because they feed off the blood of other living organisms called hosts and harm the host in the process. a. parasites b. filter feeders

11. What is the purpose of molting? A.Arthropods must shed their exoskeleton and grow a new, larger one. B.Arthropods skin dries out very easily. C.Molting removes deadly toxins from the arthropods cells. D.Molting is a form of asexual reproduction in arthropods. 12. Refer to the picture of an ocean jelly to answer the question that follows. A characteristic that causes ocean jellies to be classified into the phylum Cnidaria is the presence of a. a muscular foot. b. stinging cells. c. spines. d. tentacles

16. 17

18. These tiny animals secrete a hard substance called calcium carbonate that builds up over thousands of years to build large reefs. a. sea anemones b. sand dollars c. coralsd. sponges 19.

A coral head is covered with hundreds of coral polyps that all originated with a single polyp. What type of reproduction has occurred to develop a coral head with so many clones of the original polyp? a. fragmentation b. buddingc. meiosis