2-5-08 notes

2-5-08 notes - feeding devices) o Tetrapods: parts of ear,...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
February 5, 2008 Exam 1: Monday, February 11 th , 6:30 pm. Coors Event Center. 1.5 hours. 50 questions (multiple choice) CQ: Which of the following species would NOT be considered a bilaterally symmetric Protostome coelomates? A) Sea urchin B) Octopus C) Hookworm D) B and c E) All of the above Notochord: a longitudinal, flexible rod located between the nerve cord and the digestive tube o Skeletal support (in organisms retaining it) o In humans: the disks between our vertebrae Dorsal hollow nerve cord: develops from plate of embryonic ectoderm that rolls into a tube o Other animal phyla with nerve cords have solid ones that are usually ventrally located Pharyngeal clefts: a series of pouches separated by grooves along sides of pharynx (all embryos) o May develop into slits that open to outside of body (gills or suspension
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: feeding devices) o Tetrapods: parts of ear, head, neck in adult Muscular, post-anal tail: most non-chordates have a digestive tract that extends nearly the full length of the body Cephalization: the development of a head CQ: Anenomes are: a) Sponges b) Cnidarians c) Molluscs d) Arthropods e) Echinoderms Organism of the day: vampire fish. o Candiru-vampire fish o Amazon river o Gill parasite of other fish Feeds of blood Erects spine o Dangers of bathing nude Attracted to urine and blood CQ: During what era did the greatest radiation of mammals occur? a) Mesozoic b) Cenozoic c) Paleozoic d) Precambrian e) Neoproterozoic...
View Full Document

This note was uploaded on 04/26/2009 for the course EBIO 1220 taught by Professor Demig-addams during the Spring '07 term at Colorado.

Page1 / 2

2-5-08 notes - feeding devices) o Tetrapods: parts of ear,...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online