Casey and daimen 3.9
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The document summarizes the life cycle of a chicken in three stages: egg, chick, and chicken. It describes the development process inside the egg over 21 days, from a blastodisc to a formed embryo with organs and bones. On day 21, the chick pecks its way out of the shell after a 4-12 hour hatching process, emerging exhausted but alive.
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1) The document describes the three trimesters of fetal development from fertilization through birth.
2) During the first trimester, the fetus undergoes gastrulation which forms the three germ layers and organs begin to develop.
3) In the second trimester, the fetus grows substantially and facial features become visible while the mother begins to feel movement.
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Fertilization occurs when a sperm joins with an egg in the fallopian tube to form a zygote, which is no larger than the head of a pin. Over the following weeks, the embryo develops major organs and the ability to move as it floats down to the uterus. By week 8, the embryo has transitioned to a fetus, which continues growing and developing through the stages of pregnancy. By week 20, the fetus is covered in vernix, practicing breathing, and making active movements. In the final weeks of pregnancy, the fetus gains fat stores, sleeps most of the day, and has a high chance of survival if born.
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Not for public use . only for school purposes only
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Fetal Development
By the end of the first month, the embryo is about 1/10 of an inch long and the heart has begun beating. By two months, the embryo has distinct fingers and veins are visible, with the heart dividing into chambers. By three months, the fetus is fully formed at 2 1/2 to 3 inches long and organs and muscles have developed and are functioning.
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1. A single sperm fertilizes an egg to form a zygote, which divides and travels down the fallopian tube as a ball of cells called a blastocyst. The blastocyst implants in the uterine wall around 6 days after fertilization.
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The life cycle of a chicken begins as an egg, which is fertilized inside the hen's body. The egg is laid and incubated for 21 days by the hen, keeping it warm at 40°C. Inside the egg, the embryo develops into a chick. After 21 days, the chick pecks its way out of the shell. It will take 3 months for the chick to mature into an adult chicken. There are three stages in the chicken's life cycle: egg, chick, and adult.
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Fertilization occurs when a sperm and egg join in the fallopian tube to form a unique human being. Within 30 hours this fertilized egg, called a zygote, begins rapidly dividing as it floats down the fallopian tube towards the uterus. By week 3-5 the embryo's heart begins beating and major organs start to form, while the placenta provides nourishment. By week 7 the embryo has its own blood type and visible features like hair follicles, and by weeks 8-12 it is known as a fetus and can move inside the amniotic sac. The brain is fully developed by weeks 13-16 and the fetus can feel pain and make movements.
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The document describes the life cycles of several animals including eagles, butterflies, frogs, and mammals. Eagles lay eggs which hatch into eaglets. Butterflies go through stages of an egg, larva/caterpillar, pupa, and finally an adult butterfly. Frogs undergo metamorphosis from eggs to tadpoles to adult frogs. Young mammals like bobcats develop from eggs inside their mother's body and are born as kittens, growing into adults.
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The document is a game of 20 questions about human reproductive system. It asks questions to identify various organs in the male and female reproductive systems like ovaries, uterus, vagina, penis, testes, etc. and the hormones involved. The questions are multiple choice format with one right answer provided for each question to identify these key terms and concepts.
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The fertilized egg moves down the fallopian tube and implants in the uterus. It grows into an embryo, then a fetus. The placenta links the fetus and uterus, allowing transfer of oxygen, food and waste while keeping the blood separate. After two months, the fetus is too big for the uterus wall and connects to the placenta via the umbilical cord. The process takes about 38 weeks until birth, controlled by hormones and resulting in contractions pushing the baby out through the cervix.
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1) The document describes the three trimesters of fetal development from fertilization through birth.
2) During the first trimester, the fetus undergoes gastrulation which forms the three germ layers and organs begin to develop.
3) In the second trimester, the fetus grows substantially and facial features become visible while the mother begins to feel movement.
4) In the third trimester, the fetus continues rapid growth and development in preparation for life outside the womb.
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The document outlines the key developmental stages of a chicken embryo over a 21-day period within an egg. It notes the formation of major organs from days 1-15, including the eyes, heart, reproductive organs, feathers, beak, toes, and intestines. By day 16, the embryo is fully covered with feathers and nearly finished growing. On day 20, it becomes a chick and starts breathing air. Finally, on day 21, the chick uses its egg tooth to pip through the shell and hatch.
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The document discusses the human reproductive system. It defines human reproduction and describes the structure and function of the pituitary gland. It explains the body changes that occur during adolescence due to hormones, including puberty where the sex organs develop and secondary sex characteristics appear. It then describes the male and female reproductive systems, including the organs involved and their functions, such as the testes and ovaries producing eggs and sperm.
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Not for public use . only for school purposes only
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Fetal Development
By the end of the first month, the embryo is about 1/10 of an inch long and the heart has begun beating. By two months, the embryo has distinct fingers and veins are visible, with the heart dividing into chambers. By three months, the fetus is fully formed at 2 1/2 to 3 inches long and organs and muscles have developed and are functioning.
Fetal Development
1. A single sperm fertilizes an egg to form a zygote, which divides and travels down the fallopian tube as a ball of cells called a blastocyst. The blastocyst implants in the uterine wall around 6 days after fertilization.
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3. By the third week, the neural plate forms and tiny blood vessels and heart structures start to develop.
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During the first trimester, the embryo's skin, nervous system and other organs begin to form. A fluid-filled sac protects the embryo, and the placenta and yolk sac develop to nourish it. By the end of the first trimester, the fetus has all its organs and can move its body. In the second trimester, the fetus grows substantially in length and weight, and its heartbeat and face become detectable. By the third trimester, the fetus' bones are fully formed, it stores its own nutrients, positions head-down in the uterus, and continues gaining weight until birth.
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The life cycle of a chicken begins with the hen laying eggs in a nest. She sits on the eggs to keep them warm at 37 degrees Celsius until they hatch. Inside the egg, development occurs over 21 days from a fertilized egg to a developing embryo to a hatched chick. Key stages of development include visible beak and wings by day 6 and 13, and pipping of the egg tooth to break out of the shell on day 21 when the chick is fully developed and hatches exhausted but alive.
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The life cycle of a chicken begins as an egg, which is fertilized inside the hen's body. The egg is laid and incubated for 21 days by the hen, keeping it warm at 40°C. During this time, the embryo develops inside the shell. It gets food from the yolk and water/nutrients from the egg white. After 21 days, the fully developed chick hatches from the shell. It will take 3 months for the chick to mature into an adult chicken.
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The life cycle of a chicken begins as an egg, which is fertilized inside the hen's body. The egg is laid and incubated for 21 days by the hen, keeping it warm at 40°C. Inside the egg, the embryo develops into a chick. After 21 days, the chick pecks its way out of the shell. It will take 3 months for the chick to mature into an adult chicken. There are three stages in the chicken's life cycle: egg, chick, and adult.
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The life cycle of a chicken begins with an egg yolk inside a hen's ovary. The yolk is fertilized inside the hen if it mates with a rooster. It is then released into the hen's reproductive tract where it is surrounded by egg white and other layers. As it moves through the tract, fibers called chalazae anchor the yolk. The eggshell forms around the egg just before it is laid. If fertilized, the embryo develops over 21 days before hatching as a chick. The stages of development include the formation of organs and feathers.
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The document summarizes the life cycle of a chicken in 4 sentences:
1) A chicken's life cycle starts as an egg and takes about 3 weeks for it to hatch into a chick, and then about 3 months for it to become an adult chicken.
2) The stages of its life cycle include the egg with a hard shell, a tired and wet chick after hatching whose feathers dry within hours, and the adult chicken which lays eggs continuing the cycle.
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The life cycle of a chicken begins as an egg, which is fertilized inside the hen's body. The egg is laid and incubated for 21 days by the hen, keeping it warm at 40°C. Inside the egg, the embryo develops into a chick. After 21 days, the chick pecks its way out of the shell. It will take 3 months for the chick to mature into an adult chicken. There are three stages in the chicken's life cycle: egg, chick, and adult.
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The life cycle of a chicken begins with the hen laying eggs in a nest. She sits on the eggs to keep them warm at 37 degrees Celsius until they hatch. Inside the egg, development occurs over 21 days from a fertilized egg to a developing embryo to a hatched chick. Key stages of development include visible beak and wings by day 6 and 13, and pipping of the egg tooth to break out of the shell on day 21 when the chick is fully developed and hatches exhausted but alive.
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The document summarizes the life cycle of a chicken from egg to adult. It begins with fertilization inside the egg and progresses through stages of development, including the formation of organs and structures. After around 21 days of development inside the egg, the chick will pip its beak through the shell and hatch. Finally, it will emerge exhausted but alive from the egg to begin life as a chick, going through further development until becoming an adult chicken.
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During prenatal development, a single fertilized egg undergoes cell division and differentiation over approximately 38 weeks to become a full-term baby. It progresses through three primary stages - the germinal stage from conception to implantation, the embryonic stage from weeks 1-8 where major organs and structures form, and the fetal stage from weeks 9-38 where growth and maturation occur. By week 8, all essential external and internal structures have developed to mark the transition from embryo to fetus.
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1. Fetal development occurs in three main stages - the pre-embryonic period from weeks 1-2 where rapid cell multiplication occurs, the embryonic period from weeks 3-8 where major organ systems develop, and the fetal period from weeks 9 until birth where the fetus continues to grow and develop.
2. During the pre-embryonic period the zygote travels through the fallopian tube and undergoes cell division, and in the embryonic period the major organs begin to form.
3. In the fetal period from months 3-9 the fetus continues to develop and grow, with all essential external and internal structures present by the end of the embryonic period, and the fetus gaining weight and length throughout
Fetus Development
Over the course of the nine month pregnancy, the fetus develops through three trimesters. In the first trimester, the zygote implants in the uterus and rapidly divides, with major organs beginning to form by week 5. The fetus' limbs, fingers and toes develop, and it begins to move independently by the end of the trimester. In the second trimester, the fetus grows significantly as its organs continue to mature and develop. By week 20 the mother may feel movements, and sex can be determined. The third trimester sees further growth and neurological development, with the fetus considered full term by week 37 and able to survive outside the womb by week 34.
Living Eggs
Chickens lay eggs that can hatch into more chickens. For an egg to be fertile and develop into a chick, it must first be laid by a hen that has mated with a rooster. The fertile egg needs to be kept warm, either under a brooding hen or in an incubator, for 21 days in order for the chick inside to fully develop and hatch. Over those 21 days, the chick grows from a tiny embryo into a fully formed baby chicken that eventually pips and breaks out of the shell.
fetaldevelopment-141218114121-conversion-gate02.pptx
Prenatal or antenatal development refers to the process of development of an embryo or fetus during pregnancy from fertilization until birth. It involves three main periods - the pre-embryonic period from fertilization to implantation, the embryonic period of organ formation, and the fetal period of growth and development. During each week of gestation, specific developmental changes and events occur as the embryo and fetus grow and develop all major body structures and organs. By week 8, the basic body structures are established, and thereafter the fetus continues growing and maturing until birth.
fetaldevelopment-141218114121-conversion-gate02.pdf
Prenatal or antenatal development refers to the process of development of an embryo or fetus during pregnancy from fertilization until birth. It involves three main periods - the pre-embryonic period from fertilization to implantation, the embryonic period from implantation to 8 weeks, and the fetal period from 9 weeks until birth. During these periods, the zygote undergoes cell division and differentiation and all major body systems and structures are developed, though they continue growing and maturing throughout pregnancy.
Fetal development
Prenatal or antenatal development refers to the process of development of an embryo or fetus during pregnancy from fertilization until birth. It involves three main periods - the pre-embryonic period from fertilization to implantation, the embryonic period from implantation to 8 weeks, and the fetal period from 9 weeks until birth. During these periods, the zygote undergoes cell division and differentiation and all major body systems and structures are developed, though they continue growing and maturing throughout pregnancy.
Process of life
Gastrulation occurs after 3 weeks of fertilization, forming the three germ layers - ectoderm, endoderm, and mesoderm. During the first week, membranes form to protect and nourish the embryo, including the amnion, yolk sac, chorion, and allantois. From weeks 12-23, the fetus grows to 25 cm and 0.5 kg, developing features like eyebrows and eyelashes. The heartbeat can be heard and the mother can feel movement. Later, the fetus assumes a fetal position and the sex is apparent as bones and other organs develop.
Process of life
Gastrulation occurs after 3 weeks of fertilization, forming the three germ layers - ectoderm, endoderm, and mesoderm. During the first week, membranes form to protect and nourish the embryo, including the amnion, yolk sac, chorion, and allantois. From weeks 12-23, the fetus grows to 25 cm and 0.5 kg, developing features like eyebrows and eyelashes. The heartbeat can be heard and the mother can feel movement. Later, the fetus assumes a fetal position and the sex is apparent as bones and other organs develop.
Similar to Casey and daimen 3.9 (17)
fetaldevelopment-141218114121-conversion-gate02.pptx
fetaldevelopment-141218114121-conversion-gate02.pptx
fetaldevelopment-141218114121-conversion-gate02.pdf
fetaldevelopment-141218114121-conversion-gate02.pdf
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Casey and daimen 3.9
- 1. Life Cycle of a Chicken By Casey and Damien of Pri 3.9
- 5. Inside a Chicken Egg Blastodisc Air cell Yolk Thick Albumin Chalazae Shell
- 6. Inside a Chicken Egg Day 1 Day 6 Day 13 The brain crease begins to form. The brain and nervous system begin to form. The head fold begins to form. The eyes begin to form. The beak becomes visible. The wing bends at the elbow. The ribs begin to appear. The gizzard begins to form. The intestines begin to loop. Fingers of the wings are covered with feather papillae. The left and right collar bones fuse to form the wishbone
- 7. From Egg to Chick Day 17 Day 21 The beak turns towards the air cell. The neck begins to spasm. The egg tooth pips through the shell. Exhausted and wet - but alive - the chick has hatched!
- 11. Thank you!