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Figure 1 Bovine female genital tract A The uterus UT the ovary OV and the. Abstract natural lighting and available buffer space were identi�ed as factors that in�uence steering behaviors. The goal of the current research was (SHRP-2) naturalistic driv Genetic Variability. You Must Know. The importance of crossing over, independent assortment and random fertilization . to increasing genetic variability.. Mutations (changes in an organism’s. DNA) are the original source of genetic diversity. . Fertilization . – Union of 2 parent cells.. Sperm and egg cells called . gametes. .. Product of egg . +. sperm = fertilized egg = . zygote. .. . Embryo. = early stages of an organism’s development; from first cell division to end of 8. Main Idea: Animals have specialized structures for sexual reproduction.. Gonads-specialized reproductive organs that produce sperm or eggs. Ovaries produce egg cells . Testes produce sperm. Female. Male. Amanda Porter. WHAT IS IN VITRO FERTILIZATION (. ivf. )?. Process used to treat infertility. Egg and sperm combined in laboratory. Once embryo(s) formed, placed in uterus. Complex and expensive procedure. Section 2: Animal Body Systems. Tissues and Organs. Digestion. Single celled organisms and sponges . digest. their food . within. their body cells.. All other animals digest their food . extracellularity . Fishes . Amphibians. Reptiles. Mammals. Monotremes. Marsupials Placental Mammals. General Animal Features. The ancestral animals at the beginning of the evolutionary tree . are: . 1. . In watery environment. 1. Hickox: Baker High School BIOLOGY. Which of the organisms below can be classified as having bilateral symmetry but no endoskeleton?. A. B. C. D. E.. Vrazel. . Objectives. Analyze what animals have been cloned.. Evaluate the risk of cloning.. What animals have been cloned? . Scientists have been cloning animals for many years. . In 1952, the first animal, a tadpole, was cloned. . Developmental Biology UNIT I. Contents. . Fertilization: Definition and types . Events of . Fertilization . in Sea Urchin. Fig. 1 Recognition . of Egg . by . Sperm in Sea Urchin and . Mouse. Sperm contact with egg and . Ovum. = female component. Spermatozoa. = male component. Both arise through . meiosis. = cell division where each daughter cell receives ½ genetic material from original cell. Primordial germ cells derived from . (Credit Hours-3+1). Disposal of carcasses. Disposal of carcasses. Hygienic disposal . of dead/fallen . animals: social . as well as legal . obligation. M. ost . important responsibilities of . veterinarians: . by. Krisztina . H.-Minkó. . Semmelweis University, . Department. of . Anatomy. , . Histology. and . Embryology. . Question of time (anatomy vs. gynecology). Zero time?. Fertilization (anatomy) – clinically usually impossible to determine, uncertain. By . Dr. Hussein . AlNaji. Vomiting. Vomiting is the forceful ejection of contents of the stomach and the proximal small intestine through the mouth, and is a complex motor disturbance of the alimentary tract..