-Compare and contrast asexual and sexual reproduction with examples.
Reproduction is the production of new organisms. There are two general kinds of reproduction: asexual and sexual reproduction.
SEXUAL REPRODUCTION
- Requires two parents.
- Fertilization occurs.
- Sex cells called gametes are necessary.
- Offspring has variation.
- Essential to adapt and survive in changing and unstable environments.
ASEXUAL REPRODUCTION
- Requires only one parents
- No fertilization occurs.
- Offspring has no variation.
- Organisms divide to form new structures breaking away from the main structure.
- Suitable for stable
-Label a diagram of the male and female reproductive system and give the function of the component parts.
- Explain the changes in primary to secondary sexual characteristics.
Understanding the role of oestrogen and progesterone in the menstrual cycle.
-Sketch an outline of the menstrual cycle and label significant points.
-Identify the effect of oestrogen on the cycle.
-Identify the effect of progesterone on the cycle.
3.2/3.10/3.11 - Fertilization and the development of the zygote supported by placental membranes and protected by amniotic fluids
-To explain that fertilization creates diploid zygotes and that these develop into embryos.
-Explain that the role of the placenta is providing nutrient and oxygen for the development of the embryo.
-Describe the role of the amniotic fluid in protection of the developing embryo.
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