biology lecture 10

biology lecture 10 - 1 Midterm Lecture Exam: What Happens...

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Unformatted text preview: 1 Midterm Lecture Exam: What Happens Next? • Check the challenges • Adjust the grading scheme, if necessary • Have the exams graded • Post the grades and a general summary of any changes in response to challenges New Class TA: Caitlin Friesen Email: [email protected] 2 Pre-lecture vocabulary It is expected that you understand the following basic terms and concepts prior to this lecture. • Motile • Sessile • Tissues • Hermaphroditic Hermaphroditic • Somatic Lecture 9 Introduction to Animals Sponges Sponges Oct. 6, 2011 3 What is an animal? copepod rotifer Are these animals? b a b d c 4 A. A Which of the following are animals? 90% a B. B C. C D. D E. All of the above b A B C D A l l o f t h e a b o . . . 4% 2% 2% 2% d c What are the characteristics of an animal? a b d c 5 A. A Which of the following are animals? 88% a B. B C. C D. D E. All of the above b A B C D A l l o f t h e a b o . . . 4% 3% 2% 2% d c Coral polyp Coral colony Sea fan (Gorgonian) Sponge 6 Lecture Outline Characteristics of Animals • Characteristics of Animals • Animal Diversity and Origins • Sponges Archaea Bacteria Plants Animal Characteristics Phylogeny of all life Plants 1. Eukaryotic – “ true” nucleus – membrane-bound Eukarya Fungi Animals organelles Choanoflagellates 7 Animal Characteristics 2. heterotrophic “different feeding” c) a) different feeding • use pre-formed organic materials as energy and carbon source • modes of feeding: (a) b) d) predators, (b) herbivores, (c) filter feeders, (d) parasites, (e) detritivores, (f) omnivore (many of you!) e) Most animals have internal digestion •Most use internal processes to Most use internal processes to break down food (as opposed to fungi, who rely on external digestion) •Most have an internal gut that is continuous with the outside continuous with the outside environment and permits internal digestion of food items 8 Which other groups have heterotrophic members?...
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This note was uploaded on 11/02/2011 for the course BIOL BIOL 111 taught by Professor Roffey during the Fall '09 term at McGill.

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biology lecture 10 - 1 Midterm Lecture Exam: What Happens...

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