Animal Bio Ch10 Word Scramble
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Question | Answer |
Which of the following is not an acoelomate? | Rotifera |
Three important characteristics first appeared in the acoelomates. Which of the following is not one of them? | nervous tissues |
Acoelomates lack a body cavity because the __________ cells completely fills the area between the outer epidermis and digestive tract. | parenchymal |
Which of the following classes is typically not parasitic? | Turbellaria |
Marine ribbon worms are found within the phylum: | Nemertea |
Which of the following would you find either living a free-living life style or living in the space between bottom sediments in freshwater? | Gastrotricha |
The lone animal is this phyla lives on the mouthparts of North Atlantic lobsters. | Cycliophora |
With 34,000 species and counting, there are more described animals in this phyla of acoelomates than in any other phyla of acoelomates. | Platyhelminthes |
Animals in the phyla Platyhelminthes, Nemertea, Gastrotricha, Acoelomorpha, and Cycliophora exhibit this type of symmetry. | bilateral symmetry |
Sexual maturity in a larval body form is called | paedomorphosis. |
Characteristics of the Platyhelminthes include all of the following except | many organ systems present. |
Most turbellarians, such as the common planarian, | -are carnivores -will also feed as herbivores -have chemoreceptors that help them detect food (All above) |
Which is not part of the protonephridial system in a turbellarian? | excretory tube |
A few turbellarians have a free swimming larva termed a | Muller's larva |
Monogenetic flukes are so named because they | have only one generation in their life cycle |
A small group of flukes that are primarily internal parasites of molluscs are the | subclass Aspidogastrea |
The scientific name of the Chinese liver fluke is: | Clonorchis sinensis |
The scientific name of the sheep liver fluke is: | Fasciola hepatica |
Almost all cestodes belong to the subclass | Eucestoda. |
In the beef tapeworm life cycle, as an egg develops it forms a six-hooked (hexacanth) larva called an oncosphere. | True |
A fluid-filled bladder worm larva of a pork tapeworm is called a cysticercus, and it may form bladders in the brain of the mammalian host. | True |
The most distinctive feature of nemerteans is a long proboscis held in a sheath called a rhynchocoel. | True |
Nemerteans are microscopic, aquatic animals with a complete digestive tract and an unusual proboscis. | False |
Animals in the phyla Acoelomorpha are small flat worms less than 5 mm in length. | True |
Animals in the phyla Platyhelminthes have diploblastic tissue organization. | False |
The monogenetic flukes (class Monogenea) are mostly external parasites of fishes. | True |
Turbellarians are monoecious with reproductive systems adapted for internal fertilization. | True |
Most turbellarians move entirely by cilia and are predators and scavengers. | True |
Created by:
skmmonks
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