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Brooks Biodiversity Exam 4 FAU Questions and Answers 100% Accurate
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PA: Veriform - ANSWER_worm-shaped form PA: Metamerism - ANSWER_segmentation PA: Segmentation of Phylum Annelida - ANSWER_Homonymous with metameres=segments -essentially repeated morphologically -segmented heart PA: Setae - ANSWER_chaetae -locomotion -found on parapodia PA: Parap...

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  • March 26, 2024
  • 11
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • brooks biodiversity exam 4 fau questions and answe
  • brooks biodiversity exam 4 fau questions stuvia
  • phylum annelida answer pa veriform answe

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Brooks Biodiversity Exam 4 FAU
Questions and Answers 100% Accurate

Phylum Annelida - ANSWER_...

PA: Veriform - ANSWER_worm-shaped form

PA: Metamerism - ANSWER_segmentation

PA: Segmentation of Phylum Annelida - ANSWER_Homonymous with
metameres=segments
-essentially repeated morphologically
-segmented heart

PA: Setae - ANSWER_chaetae
-locomotion
-found on parapodia

PA: Parapodia - ANSWER_appendages found on the side for movement

PA: Circulatory System - ANSWER_-Closed
-Hemoglobin
-Some have green blood while some don't have any pigment

PA: Coelom - ANSWER_biggest coelom compared to total body

PA: Movement - ANSWER_-Crawling
-Swimming

PA: Trochophore Larva - ANSWER_-found in some annelids and mollusks
-provides evidence for evolutionary link between the 2 taxa: Annelid vs Mollusk
(marine)

PA Classification - ANSWER_-Class Polychaeta
-Class Oligochaeta
-Class Hirudinea

PA: Class Polychaeta - ANSWER_-"many setae"
-well-developed head
-Parapodia
-Sandworm (clam worm)
-Tubeworm (periculum)
-Palalo Women
-Fireworm

, PA: Oligochaeta - ANSWER_-"Few Setae"
-"Earthworms"
-Poorly developed head
-Clitellum: eggs are deposited (collar)
-Respiration- diffusion (requires moist skin)

PA: Class Hirudinea - ANSWER_-"leeches"
-Blood-sucking parasites
-Some carnivorous
-Coelom filled with mesenchyme (mesoderm tissue)
-Setae usually absent
-Open circulation
-Clitellum Present
-PRODUCE HIRUDIN (ANTICOAGULANT)

Phylum Arthropoda - ANSWER_arthropods

P. Arth: Heteronomous Metamerism - ANSWER_have combined segments into
specialized regions called Tagma

P. Arth: Tagma - ANSWER_Head, Thorax, and Abdomen

P. Arth: Exoskeleton - ANSWER_Cuticle (non-living chitin) and epidermis (shell)

P. Arth: Musculature - ANSWER_Flexors and Extensors (flexible)

P. Arth: Articulations - ANSWER_joints

P. Arth: Excretory Systems - ANSWER_-Malpighian Tubes: most common
-Green Gland: kidney/found in head

P. Arth: Respiratory Systems - ANSWER_-Gills and Book lungs/book gills (flaps)
-Tracheae with Spiracles

P. Arth: Circulatory System - ANSWER_-"Open" but is surprisingly efficient
-Heart with ostia and Hemocoel

Do shrimps have veins? - ANSWER_No

P. Arth: Coelom - ANSWER_Coelom is degenerate

P. Arth: Molting - ANSWER_Ecdysis

P. Arth: Hormonal Control of Molting - ANSWER_-Ecdysone (from Y-Organ or
Prothoracic gland) = Molt
-Molt-inhibiting hormone (from X-organ) = no molting (most common)

P. Arth: Growth - ANSWER_-Continuous (stays on continuous path)
-Discontinuous (steps)

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