Thursday, January 13, 2011

Reproduction and Development Powerpoints

Here are the big PowerPoints for the Animal Reproduction (Chapter 46) and Development (Chapter 47) lectures. For those of you that need to take the test, remember that the end of the Marking Period is arriving fast. Tests MUST be made up by the 27th, or they will go into the gradebook as a zero.



Tuesday, January 11, 2011

Animal Reproduction and Development Study Guide Answers

Here are the answers for the two chapter reviews that were given out yesterday in class. The test is still scheduled for tomorrow, even if we run on a delayed opening schedule. If you have questions, post them as a comment, and I will respond as quickly as I can. Enjoy the snow day!

Chapter 46
Interactive Questions
46.1 a. Reproduce quickly, do not need to find a mate, genetic stability (good for stable environments)
b. Genetic variability (good for changing environments)

46.2 a. courtship behaviors
b. chemical signals
c. environmental signals

46.3 a. vas deferens____l. oviduct
b. erectile tissue______m. eggs/ova
c. urethra______________n. corpus luteum
d. glans________________o. uterine wall
e. prepuce______________p. endometrium
f. scrotum______________q. cervix
g. testis_______________r. vagina
h. epididymis___________s. ovary
i. bulbourehtral gland
j. prostate gland
k. seminal vesicles

46.4 a. Oogenesis has long resting periods
b. Oogenesis creates only one mature gamete
c. Oogenesis is only active during certain periods of life

46.5 a. GnRH
b. FSH
c. LH
d. androgen
e. primary and secondary sexual characteristics
f. negative feedback loops

46.6 a. LH
b. FSH
c. Estrogen
d. Progesterone
e. follicular phase
f. ovulation
g. luteal phase
h. menstrual phase
i. proliferative phase
j. secretory phase

46.7 a. secreted by embryo, maintains corpus luteum secretion of estrogens and progesterone
b. secreted by corpus luteum, negative feedback to hypothalamus and pituitary
c. secreted by fetus and mother's pituitary, stimulates contractions

46.8 a. prevent fertilization - abstinence, condom, diaphragm
b. prevent implantation - IUD, RU-486
c. prevent release of gametes - sterilization, combination pills

Test Your Knowledge
Fill in the Blank
1. budding
2. protandrous
3. parthenogenesis
4. hermaphrodite
5. cloaca
6. estrous
7. progesterone
8. urethra
9. vasocongestion
10. menopause

Multiple Choice
1. e______11. c
2. d______12. a
3. a______13. e
4. c______14. d
5. e______15. b
6. c______16. b
7. e______17. b
8. a______18. d
9. b______19. a
10. b_____20. e

Chapter 47
Interactive Questions
47.1 a. Recognition between proteins on sperm head and receptors in vitelline layer of egg
b. Fast and slow blocks to polyspermy

47.2 a. morula
b. frog blastula
c. animal pole
d. blastocoel
e. vegetal pole

47.3 a. ectoderm
b. mesenchyme cells
c. endoderm
d. archenteron
e. blastopore
f. archenteron
g. ectoderm
h. mesoderm
i. endoderm
j. yolk plug

47.4 a. neural tube
b. neural crest
c. somite
d. archenteron
e. coelom
f. notochord

47.5 a. yolk sac - encloses yolk, develops blood vessels
b. amnion - provides aqueous environment for embryo
c. allantois - holds waste
d. chorion - gas echange

47.6 a. epiblast - three germ layers, amnion, mesoderm, placenta
b. hypoblast - yolk sac
c. trophoblast - chorion, fetal portion of placenta

47.7 sea urchin - unequal polar distribution of cytoplasmic determinants, determined by first horizontal division

47.8 developing limb would be a mirror image with digits on both sides

Test Your Knowledge
1. c_______11. b
2. c_______12. e
3. b_______13. a
4. e_______14. b
5. e_______15. e
6. c_______16. e
7. b_______17. a
8. a_______18. b
9. c_______19. d
10. c______20. d

Monday, January 3, 2011

Course Evaluation Results

I thought this was kinda cool so I wanted to share it. This is a word cloud showing the most commonly appearing words in your responses to the course evaluation survey.

Question 1: Three words to describe Dr. Himmelheber as a teacher are:




created at TagCrowd.com












Question 2: If I were to change one thing about the way Dr. H teaches it would be:




created at TagCrowd.com




Looking at the results, obviously the PowerPoints and notes are an issue, along with the exam, but at least I am interesting. It is a little hard to tell since it is out of context, but I will attempt to address these issues.