Zoology Word Scramble
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Question | Answer |
Define cephalopoda | Cephalo means head and poda means footed |
what is the name of the tube-like structure which water enters and leaves a mollusk's body? | siphon |
Which mollusk is the most active? | cephalopods |
Which cephalopods have external shells? | nautiluses |
What is the largest class of mollusks? | gastropods |
What are the general characteristics of the phylum mollusca? | bilateral, 3 tissue layers and a coelom |
What are the classes of Mollusks and give an example of each? | cephalopoda, octopus bivalvia, clam gastropoda, abalones, snails |
What is a coelom? What are the tissue that line this cavity? | A fluid-filled body cavity; mesoderm |
What are tentacles? | a divided foot in mollusks |
What is the function of excurrent siphon? Incurrent siphon? | Excurrent, remove wastes and carbon dioxide incurrent, bring in oxygen and food |
How do most aquatic mollusks breathe? | gills, diffusion |
How are crustaceans different from other arthropods? | two pairs of antennae |
What are some animal examples of class arachnida? | ticks, mites and scorpions |
What is the largest class of arthropods? | Class Insecta |
What are jointed appendages and what do they allow? | allow powerful movements and greater flexibility |
A grasshopper excretes metabolic wastes through this structure? | malpighian tubules |
What are the common characteristics of arthropods? | bilateral, jointed appendages, exoskeleton |
What is the polysaccharide that makes up the exoskeleton of arthropods? | chitin |
Name the classes of arthropods and how do scientists categorize them? | Arachnida, 8 legs Merostomata, 8 legs, carapace Diplopoda, 2 pairs of legs per segment chilopoda, 1 pair of legs per segment Insecta: 6 legs Crustacea: 10 pairs of legs, one pair of claws |
What are the common characteristics between arachnida and merostomata? | 2 main body regions, book lungs/book gills and chewing mouthparts |
How are spiders different from insects? | 8 legs vs. 6 legs,chelicera in spiders, 2 body regions vs 3 body regions. |
What are the structures in echinoderms responsible for respiration and movement? | tube feet |
What is the skeleton of the echinoderm made of? | endoskeleton made of calcium carbonate |
What are the body functions of the water vascular system? | respiration, circulation, movement |
What animals belong to the phylum echinodermata? | sand dollars, bristle stars, sea urchins |
How many species of echinoderms exist today? | 7,000 |
What are the five classes and give an examples of each? | Crinoidea, sea lily, feather stars Ophiuroidea, basket stars, brittle stars Echinoidea, sea urchins, sand dollars holothuroidea, sea cucumber asteroidea, sea stars |
What is the name of the echinoderm that lives on hard surfaces and they can sometimes contain venom? | sea urchin |
What is the system that carries oxygen throughout the body of an echinoderm? | water vascular system |
Created by:
jlafferty
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