Exam 4 worksheet

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Colorado State University, Fort Collins *

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110

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Biology

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Dec 6, 2023

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docx

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BZ 110 Exam 4 Review Session Worksheet Phylum Echinodermata Circle one: Echinoderms are Protostomes Deuterostomes What does the word Echinoderm translate to?: What type of symmetry do adult Echinoderms exhibit? a. Pentaradial b. Radial c. Bilateral d. Asymmetry What type of symmetry do Echinoderm larvae exhibit? a. Pentaradial b. Radial c. Bilateral d. Asymmetry What is the excretory product of Echinoderms? A. Ammonia B. Urea C. Uric acid D. Pee Fill in the Blank: The is a fluid-filled canal system that is derived from the . Its main function is to deliver pressurized water to the which is used for locomotion, attachment, feeding, etc. Define Pedicellariae: Define Autonomy: Draw a line to match the animal to the class: Echinoidea Sea Cucumbers Ophiuroidea Sand Dollars and Sea Urchins Asteroidea Brittle Stars
Holothuroidea Sea Stars Define Aristotle's Lantern: Fill in the Blank The lung-like organs in sea cucumbers is called the They contain toxic sticky tubules called that are shot out of the sea cucumber’s anus for defense. Phylum Chordata Circle one: Chordates are Protostomes Deuterostomes List the 5 Chordate Characteristics: 1. Notochord 2. Dorsal tubular nerve cord 3. Pharyngeal slits 4. Endostyle/ thyroid gland a. Thyroid gland: derived from endostyle: endocrine functions (secretes hormones which regulate metabolism and emtamorphosis/ growth/ development) 5. Postanal tail Describe the functions of both the endostyle and thyroid gland: Viviparous a. The embryo develops inside the body and receives nutrition from the mother usually via placenta. Then, live birth occurs b. The embryo develops inside of the body after hatching from an egg and receives nutrients from the yolk or sometimes, their siblings. Then, live birth occurs c. The embryo develops outside of the body in an egg and receives nutrients from the yolk Ovoviviparous a. The embryo develops inside the body and receives nutrition from the mother usually via placenta. Then, live birth occurs b. The embryo develops inside of the body after hatching from an egg and receives nutrients from the yolk or sometimes, their siblings. Then, live birth occurs c. The embryo develops outside of the body in an egg and receives nutrients from the yolk
Oviparous a. The embryo develops inside the body and receives nutrition from the mother usually via placenta. Then, live birth occurs b. The embryo develops inside of the body after hatching from an egg and receives nutrients from the yolk or sometimes, their siblings. Then, live birth occurs c. The embryo develops outside of the body in an egg and receives nutrients from the yolk Give an example of a oviparous animal: all birds Give an example of a ovoviviparous animal: rattlesnakes Give an example of a viviparous animal: mammals Describe the differences between internal and external fertilization: Give an example of an animal that has internal fertilization: Give an example of an animal that has external fertilization: Match the Subphylum to the common name Urochordata Lancelets (amphioxus) Cephalochordata Animals with a skull Crainata Sea Squirts/ Tunicates Circle one: Seasquirts/Tunicates have an endostyle a thyroid gland Circle one: All Vertebrates have an endostyle a thyroid gland Fill in the blank: Sea Squirt’s/ Tunicate’s blood flow is NOT unidirectional (heart pumps in one direction for a few beats and switches) . Define paedomorphic: retaining juvenile features as an adult Salps: floating tunicates (connect to one another) Give an example of a paedomorphic animal: Which animal is the only chordate to retain all 5 characteristics into adulthood? a. Sea Squirts/ Tunicates
b. Craniates c. Lampreys d. Vertebrates e. Lancelets List the 3 parts of the brain 1. forebrain 2.midbrain 3.hindbrain Describe the Cloaca: Give an example of an animal with a cloaca: Match the characteristic to the scientific classification Skull Gnathostomata Backbone Vertebrata Jaws Craniata Circle one: Hagfish skulls are made of: cartilage bone Lamprey endoskeletons are made of: cartilage bone Shark endoskeletons are made of: cartilage bone Ray-finned fish endoskeletons are made of: cartilage bone Lobe-finned fish endoskeletons are made of: cartilage bone Tetrapod endoskeletons are made of: cartilage bone Organize the common names in the word bank into the categories below. Words can be used more than once: Word bank: Lampreys Ray-finned fish Lobe-finned fish Amphibia
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