boy – house – toy – mouth 1. ………………………… 2.………………………… 1. ………………………… 2.………………………… Group the following
We think it was between 3-4.5 billion years ago Why can we not be certain how life on earth began?
B3 C3 P3 REVISION QUIZ!. B3 Life on Earth 1.Which two of the following are required to define a group of organisms as a species? a.The organisms can breed.
Defined: the process of biological change by which descendants come to differ from their ancestors. o 5 factors that lead to evolution: 1.Genetic drift.
Scientists of Evolution People and Ideas That Contributed to the Theory of Evolution by Natural Selection.
History and Development of Theory. A process by which modern organisms have descended from ancient organisms and/or Any change in the frequency of.
Species Species: group of organisms that can interbreed and produce fertile offspring – Different species rarely breed – Interspecies breeding often.
1 Genes Within Populations Chapter 20. 2 Darwin: Evolution is descent with modification Evolution: changes through time 1.Species accumulate difference.
Evolution Ch 15 and 14. Evolution: The process by which organism change over time. Based on science, not opinion.
1 Genes Within Populations Chapter 20. 2 Evolution: change in a species through time 1.Species accumulate differences 2.Descendants differ from their.
Evolution and Natural Selection Change over time.
EOG REVIEW 2
