PPT-Life Cycles and the Reproduction

Life Cycle Life Cycle the development of an organism from fertilization to birth growth reproduction and death The life cycle of every organism has these 4 main stages 1 Birth the act of bringing forth offspring. ABBOTTS COLLEGE. ABBOTTS. 1. TOPICS. 2. DEFINITIONS. Alternation of generations. Haploid. diploid. LIFE CYCLES OF:. Moss. A flower. PAGE 2.3.4. Asexual and sexual reproduction. Asexual . Sexual. Produces genetically identical organisms. Dept. Theoretical Biology. How to simplify biology. to . interpret effects of . stressors. Organisms are . complex …. Stressing organisms …. … only . adds to the complexity. Response to a toxic (and other) stress depends on. Ecological Rucksack / “MIPS”. Ecological Rucksack / “MIPS” vs. Lifetime. Life-Cycles. Life-Cycles. Life-Cycles. Life-Cycles. Life-Cycles. Life-Cycles. What Strategies to Use?. Different Lifetimes for Different Parts. Sexual Life Cycles. modes of reproduction. diploid/haploid and meiosis. meiosis I and meiosis II phases. key differences between mitosis and meiosis. variation in position of meiosis in life cycles. why sex?. 5.10C – describe the differences between complete and incomplete metamorphosis of insects. Vocabulary. Cycle-. . A . series . of . repeating events that usually . lead back to . a . starting point.. Compare the life cycles of different kinds of animals.. Vocabulary . Adult. -the stage of an animal’s life cycle when it reproduces. . Egg. -a structure containing food that young animals need in order to grow. . Organization. the act of arranging in a systematic way for use or action. Cell. Life’s basic unit of structure and function. Cellular Basis of Life. UNICELLULAR – one cell. Cellular Basis of Life. Artificial selection increases life span in fruit flies. Inherent limits, or can lifespan evolve?. Fruit fly expt:. Female sockeye salmon defending its nest before dying. II. Fundamental Trade-offs. Mite Kiwi bird. Some of the chemical building blocks of life, called . macronutrients. , are required by organisms in large quantities. Water . –. Carbon. Hydrogen . –. Oxygen. Nitrogen . –. Phosphorous. Seedling and Clonal Life Cycles By Tiffany Reese and Henry Schmidt What is a seedling? Any plant originating from seed, despite current life stage Seeds are produced by sexual reproduction Flower is pollinated Objective(s): I can. List the characteristics all living things share.. Explain where living things come from.. Identify what all living things need to survive.. Key terms. Organism. Cell. Unicellular. 3.2 Sexual Reproduction & the Diversity of Life. Joining or fusing two gametes is called . fertilization. This will create a . Zygote. first . diploid. . (46 chromosomes). . cell of the . offspring. In asexual reproduction, one individual produces offspring that are genetically identical to itself. These offspring are produced by mitosis. There are many invertebrates, including sea stars and sea anemones for example, that produce by asexual reproduction.. Life Sciences. Life Sciences. Key Points: Human Reproduction . . Fertilisation. Development of the Zygote. Role of Oestrogen and Progesterone . Diagram of a Developing Foetus. Functions of Structures of the Developing Foetus .