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reproductive system

Embryonic Development

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Cortical granule
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Zygote

Embryonic Development Every species undergoes embryonic development in a different way. In general, genes code for specific synthesis of proteins that determine what organs and systems will be composed. However, all species differentiate types of cells in different ways, which can include an uneven distribution of cytoplasmic determinants (can activate genes to differentiate between types of cells.) Additionally, the differences in cells are based on their location in the developing embryo. These two tactics lead to cell differentiation where cells become different types as well as morphogenesis or the way an animal takes shape.

Brief Overview of Fertilization and Reproductive System

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Biology
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fertility
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Germ cells
Male reproductive system
Semen
Spermatozoon
Fertilisation
Sperm
reproductive system
Corona radiata
health
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
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Attachment theory
Evolutionary biology
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A Brief Overview of Reproduction and Fertilization in the Human Species

flower anatomy full answers

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Biology
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Plant reproduction
Biology
Botany
Plant morphology
Pollination
Plant sexuality
reproductive system
Symbiosis
Flower
Gynoecium
Pollen
Pollinator
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Attachment theory
Ethology
Personal life
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Ian Konrad 4-23-14 LEH Mrs. Guido Flower Anatomy Activity 1a. Record the number of sepals observed in your flower specimen and give 1 function. There were 12 sepals on my flower. One function of the sepals is to protect the flower while it is forming a bud. 2a. Record the number of petals - what advantage do colorful petals provide for the flower? There were 6 petals on my flower. Colorful petals attract pollinators such as bees to come and pollinate the flower. 2b. Why are sepals considered accessory parts of the plant? Sepals are considered accessory parts of the plant because they are not directly involved in pollination. 3a. Record the number of stamens and give 1 function.

anatomy of a flower full answers

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Biology
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Plant reproduction
Biology
Botany
Plant morphology
Pollination
Plant sexuality
reproductive system
Symbiosis
Flower
Gynoecium
Pollen
Pollinator
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Personal life
Attachment theory
Evolutionary biology
Technology

Ian Konrad 4-23-14 LEH Mrs. Guido Flower Anatomy Activity 1a. Record the number of sepals observed in your flower specimen and give 1 function. There were 12 sepals on my flower. One function of the sepals is to protect the flower while it is forming a bud. 2a. Record the number of petals - what advantage do colorful petals provide for the flower? There were 6 petals on my flower. Colorful petals attract pollinators such as bees to come and pollinate the flower. 2b. Why are sepals considered accessory parts of the plant? Sepals are considered accessory parts of the plant because they are not directly involved in pollination. 3a. Record the number of stamens and give 1 function.

human reproduction

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Biology
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Biology
anatomy
Human reproduction
Endocrine system
Peptide hormones
reproductive system
Neuroendocrinology
Developmental biology
Ovulation
Spermatogenesis
Germ cell
Oogenesis
health

LECTURES 15-16: HUMAN REPRODUCTION 1 Human Reproduction Outline 2 ? Male & female reproductive systems ? Physical Structures and their functions ? Gametogenesis ? Gamete structure & function ? Reproductive endocrinology ? Hormonal regulation of male & female gametogenesis ? The principle of negative feedback ? Pregnancy & development ? Fertilization ? Placenta: structure & function ? Foetal development & factors affecting Objectives - At the end of this lesson you should be able to: 3 1. Describe the male and female reproductive systems 2. State the function of the components of the reproductive system 3. Outline the process of gametogenesis in the male and female systems 4. Describe how gametogenesis is controlled by

Ch. 46 Notes*

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Ploidy
Parthenogenesis
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sex
Fertilisation
#AP Bio #CampbellBiology

Ch 46 Sexual Zygote ? fertilized egg Gamete- sex cell Egg Sperm Asexual Most animals do sexy only, but some do asex or both Mechanisms of Asex reproduction Invertebrates Fission-separation of a parent organisms into 2 individuals of equal size Sea anemone Budding- new individuals come from outgrowth of existing ones Corals Fragmentation and regeneration Sponges, cnidarians Parthenogenesis-asex where egg develops without being fertilized Bees, wasps, ants Haploid ? no meiosis occurred, no fertilization occurred, becomes adult that makes either egg or sperm. ? mainly male in honeybee and some ant populations Diploid- develop from fertilized eggs, becomes adult- worker ant or bees

Reproductive System Notes

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reproductive system

Chp 46 Asexual/sexual reproduction-w/out or with fertilization by egg and sperm Asexual rep-fission, budding, fragmentation+regeneration Adv-isolation easy to reprod, short time, proliferate successful gene Reproduct cycles/patterns-seasons for best resources (ewes in fall) Parthenogenesis-egg developes w/out fert; daphnia, bees, fish, lizards that change pretend sex Hermaphrodism-male and female character-earthworms, only fert one partner Sequential herm-reverses sex during life, wrasse fish in harems, if male dies top(biggest fem becomes male, most genetically good best for fish External/internal fert-moist, timing, environment/dry, copulatory organs, fewer bbs, Use pheromones-chem signals to attract
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