Which of the following organisms would NOT undergo gastrulation? a. fungi and sponges b. worms and snails c. nematodes d. those with only one opening for food and waste (protostomes)

Describe each of the following early embryonic development stages of the human: a. zygote (fertilization) b. cleavage c. morula d. blastula (blastocyst) e. gastrulation (gastrula) f. organogenesis Name the three embryonic layers produced during gastrulation and the adult tissue formed from each. Note whether each of the following get bigger, smaller, or stay the same through cleavage: Mass (size of entire structure) b. size of individual cells c. number of cells a. State what the following structures will form during embryonic development: inner cell mass b. outer cell layer/trophoblast Describe the functions of the placenta during gestation and explain the relationship between fetal and maternal blood. Describe the 3 stages to labor and the effects of oxytocin and prostaglandins during these stages. Detail the effects of prolactin and oxytocin on lactation Animal Behavior Define innate and learned behavior and give an example of each. Discuss the different ways members of a population…

Question1 Flagellum is a name for Answers A. the fringe-like folds move the egg down the fallopian tubes. B. the tail on the spermatozoa. C. the meiotic process for creating a gamete. D. the first stage of the menstrual cycle. Question2. Where is the urine formed? Answers A. bladder B. prostate C. nephrons D. renal pelvis Question3. The Loop of Henley is connected on each side by the Answers A. afferent arterioles. B. glomeruli. C. renal columns. D. proximal and distal convoluted tubules.

20. The structure that attaches the mammalian embryo to the placenta is a. hypothalamus. b. umbilical cord. C. corpus luteum. d. chorion. 21. In which part of the human reproductive system does the development of an embryo normally occur? a. uterus b. ovary C. scrotum d. testes

At which stage of embryonic development does the embryo have a blastopore?   Group of answer choices A.Blastula B. Zygote C. Morula D. Gastrula

Which of the following extra-embryonic membranes becomes the embryonic portion of the structure involved in waste and nutrient exchange between the embryo and the mother? Select one: a. Chorion b. Amnion c. Allantois d. Yolk Sac

Which germ layer is involved in the process of neurulation? Select one: a. Mesoderm b. Endoderm c. Embryonic disk d. Ectoderm

Which of the following statements is false? a. Cadherins, but not integrins play a role in gastrulation. b. Gastrulation creates the primary germ layers c. Gastrulation requires cells to change their gene expression. d. Body axes are stabilized (made permanent) during gastrulation.

An infant born at term to 27-year-old woman is brought to the neonatology clinic because of urine discharge from the umbilicus that irritates the surrounding skin. Which of the following is the most likely cause of this patient's symptoms? A. Persistent yolk sac B. Persistent allantois remnant C. Omphalocele D. Hypospadia E. Gastroschisis

The process by which the structure labeled B is released from the structure labeled A is known as? A. differentiation B. ovulation C. gastrulation D. germination