The reproductive cycle rex
-
Upload
rex-jardeleza -
Category
Education
-
view
160 -
download
0
Transcript of The reproductive cycle rex
![Page 1: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/1.jpg)
THE REPRODUCTIVE CYCLERex S. JardelezaMAEd – Biological Sciences
![Page 2: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/2.jpg)
The Mammal Reproductive Cycle
![Page 3: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/3.jpg)
ZYGOTE• a diploid cell resulting from the fusion of two haploid gametes; a fertilized ovum.
MORULLA• a solid ball of cells resulting from division of a fertilized ovum, and from which a blastula is
formed.
BLASTOCYST• a mammalian blastula in which some differentiation of cells has occurred.
EMBRYO• an unborn or unhatched offspring in the process of development.
FETUS• an unborn offspring of a mammal, in particular an unborn human baby more than eight
weeks after conception.
NEONATE• a baby from birth to four week
![Page 4: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/4.jpg)
The Bird Reproductive Cycle
![Page 5: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/5.jpg)
![Page 6: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/6.jpg)
The Amphibian Reproductive Cycle
![Page 7: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/7.jpg)
The Amphibian Reproductive Cycle
A jelly-like eggs are laid in water, hatch into legless tadpoles with gills, the tadpoles grow one set of legs, then they metamorphose into an air-breathing froglet with a tail. Froglets lose their tails as they grow into adult frogs. A lot of amphibians lay their eggs out of water, finding interesting ways to keep their eggs and tadpoles wet.
![Page 8: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/8.jpg)
The Insect Reproductive Cycle
![Page 9: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/9.jpg)
EGG: unborn stage.
LARVA: the active immature form of an insect, esp. one that differs greatly from the adult and forms the stage
between egg and pupa, e.g., a caterpillar or grub.
PUPA: an insect in its inactive immature form between larva and adult, e.g., a chrysalis.
ADULT: final, breeding stage (they usually grow wings)
![Page 10: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/10.jpg)
The Fish Reproductive Cycle
![Page 11: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/11.jpg)
![Page 12: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/12.jpg)
The Plant Reproductive Cycle
![Page 13: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/13.jpg)
Asexual Reproduction
• Asexual reproduction is natural “cloning.” Parts of the plant, such as leaves or stems, produce roots and become an independent plant.
Sexual Reproduction• Sexual reproduction requires fusion of male
cells in the pollen grain with female cells in the ovule.
![Page 14: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/14.jpg)
• Haploid: having a single set of chromosomes in each cell.
• Diploid: having two sets of chromosomes in each cell.
• Mitosis: cell division, which produces two genetically identical cells.
• Meiosis: reduction division, which produces four haploid reproductive cells.
Terms to know:
![Page 15: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/15.jpg)
Plant Life Cycle
Alternation of Generations• Plants have a double life cycle with two
distinct forms:– Sporophyte: diploid, produce haploid spores by
meiosis.– Gametophyte: haploid, produce gametes by
mitosis.
![Page 16: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/16.jpg)
Non-flowering plants
Mosses, ferns, and related plants have motile, swimming sperm.
![Page 17: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/17.jpg)
Parts of the Flower
![Page 18: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/18.jpg)
Incomplete flowers• Flowers are complete if they have all
parts, and perfect if they have both male and female parts.
• Grass flowers: incomplete, usually imperfect (separate male and female flowers)
• A tulip is complete (though the sepals are the same color as the petals) and perfect.
![Page 19: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/19.jpg)
Angiosperm Life Cycle
![Page 20: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/20.jpg)
Double Fertilization
![Page 21: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/21.jpg)
Flower to Fruit
![Page 22: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/22.jpg)
Seed Anatomy
![Page 23: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/23.jpg)
Seed Germination
![Page 24: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/24.jpg)
The Miracle of Life
![Page 25: The reproductive cycle rex](https://reader036.fdocuments.in/reader036/viewer/2022062514/55847f48d8b42af90b8b5189/html5/thumbnails/25.jpg)
Thank You for Listening