INTEGRATED PRINC.OF ZOOLOGY(LL)(FD)
17th Edition
ISBN: 9781260704310
Author: HICKMAN
Publisher: MCGRAW-HILL CUSTOM PUBLISHING
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Chapter 12, Problem 12RQ
Describe possible ancestors to sponges. Justify your answer.
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Consider things about sponges and Cnidarians.
a) Pick one of these two groups, and state how they are important to their ecosystems (name which one you are discussing)
b) Pick one of these two groups and state how they help humans directly (name which group you are discussing).
Imagine you come across a colonial organism. Determine whether it is a class Hydrozoan or a anthrozoan? Give two distinct differences between the two without naming the same structure/invisible features of each animal (e.g animal x has 2 wings, animal y has 4 wings are not distinct differences)
Can you answer all the parts of this question about this picture
A: This structure belongs to an organism from what phylum?
- Answer choices: Mollusca, Nemertea, Platyhelminthes, Rotifera
B: What is the structure shown above?
Chapter 12 Solutions
INTEGRATED PRINC.OF ZOOLOGY(LL)(FD)
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Imagine you come across an animal with a worm-like biody. Determine whether it is a polychaete or a member of class Hirudinida? Give two distinct differences between the two without naming the same structure/invisible features of each animal (e.g animal x has 2 wings, animal y has 4 wings are not distinct differences)arrow_forwardPlease describe the lifestyle of SPONGES. Components and characteristics that you should address would include: Body symmetry Types of specialized cells seen in the sponges Mode of nutrition and HOW they feed Reproduction Life span Habitat Specializations that are dedicated to this grouparrow_forwardImagine you come across a gelatinous animal with a Medusa body plan swimming. Determine whether it is a class Svyphozoa or a Cubozoan? Give two distinct differences between the two without naming the same structure/invisible features of each animal (e.g animal x has 2 wings, animal y has 4 wings are not distinct differences)arrow_forward
- What similarities in organismal design are common to sycon grade sponges, siphonophores, and polychaete annelids? Illustrate your answer with an appropriately labeled diagram of each kind of organism.arrow_forwardRank the six organisms by increasing size, from smallest to largest. 1. Diatoms, or Mixed Diatoms 2. Ceratium (dinoflagellate) 3. Radiolarians 4. Foraminiferans 5. Copepods or Cyclops 6. Artemia (brine shrimp) nauplii.arrow_forwardConstruct a dichotomous key for Chaetognatha families: Family Spadellidae - Littoral, usually resting on algae, stones or other objects on the bottom, but retaining the ability of creeping and swimming. Tail segment is relatively large. One or two pairs of lateral fins. Anterior and posterior rows of teeth, which show a trend to the degeneration. Corona ciliata on the neck, wider than long. Family Eukrohniidae - Pelagic, tail segment is comparatively short. One pair of lateral fins, each beginning far anterior to the trunk-tail septum. Anterior tooth-row or both anterior and posterior tooth-rows may be missing in some genera. So far as it is described, the conona ciliata begins at the posterior edge of the brain and ends at the neck region. All valid forms are known from the deep water at least in the warm-water regions. Family Sagittidae - Two pairs of lateral fins. Family Pterosagittidae - One pair of lateral fins, each beginning at the trunk-tail septum. The massive collarette is…arrow_forward
- Cnidaria is much more diverse than Arthropoda." Contest or defend this statement; then support your answer using evidence presented in a table that compares and contrasts diversity in feeding modes & diets, organ systems, methods of locomotion, and number of species.arrow_forwardWhat similarities in organismal design are common to sycon grade sponges, siphonophores, and polychaete annelids? Illustrate your answer in a drawing for each with an appropriately labeled diagram of each kind of organism with a description.arrow_forwardBased on the diagram, which of the following pairs of organisms have the closest evolutionary relationship? A. Radiolarians and Forams B. Diatoms and Euglenozoans C. Ciliates and Radiolarians D. Diplomonads and Euglenozoansarrow_forward
- Which statement about sponges is false? Their bodies are supported by silicaceous or calcareous spicules. They feed via flagellated choanocytes. They have cell layers and true organs. Some species live in fresh water. Their bodies have an extracellular matrix composed of collagen and adhesive glycoproteins.arrow_forwardImagine you come across a gelatinous animal with a Medusa body plan. Determine whether it is a class Hydrozoan or a Cubozoan? Give two distinct differences between the two without naming the same structure/invisible features of each animal (e.g animal x has 2 wings, animal y has 4 wings are not distinct differences)arrow_forwardFill out the table. GENUS PLACE OF COLLECTION/HABITAT DESCRIPTION MORPHOLOGICAL CHARACTERISTICS SPONGE ARCHITECTURE Niphates sp. Niphates erecta Ephydatia sp. Haliclona sp Petrosia sp.arrow_forward
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