Chapter 21 and 22
Natural Selection Natural selection is the process by which those heritable traits that make it more likely for an organism to survive and successfully.
Chapter 15 Evolution. Think About It? What is evolution? What is evolution? Why does it happen? Why does it happen? How does it happen? How does it happen?
Ensuring paternity Sheep blow fly, Lucilia cuprina box 5.4.
+ Treatments: Treating phobias with systematic desensitisation A2.
Chapter 15 Evolution 15.1 Darwin’s Theory of Natural Selection 15.2 Evidence of Evolution 15.3 Shaping Evolutionary Theory.
مشروووووع الوراثه
Social psychology
Communities & Ecosystems. Communities A biological community is an assemblage of the populations of all the organisms that live close enough together.
Disadvantages of Asexual Reproduction continued. Disadvantages of asexual reproduction continued 3. Müller’s Ratchet (an hypothesis) Asexual reproduction.
6.6 Meiosis and Genetic Variation KEY CONCEPT Independent assortment and crossing over during meiosis result in genetic diversity.
Evolution Theories Lamarack vs Darwin. Jean- Baptist Lamarck (1744-1829) Acquired traits- traits that a organism obtains during its life are passed to.