LIFE SCIENCE 7: Quarter 3 Evolution & Earth and Life History.

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Presentation transcript:

LIFE SCIENCE 7: Quarter 3 Evolution & Earth and Life History

Charles Darwin (1809 – 1882) Father of Evolutionary Biology

Darwin’s Voyage of the Beagle

Origin of Species (1859): Darwin’s Theory of Evolution by Natural Selection

Evolution of the Horse

Fossil Evidence of the Evolution of the Whale: From Land Back To The Sea

Land Mammal to Ocean Mammal

Human Evolution 1. Lucy (3.2 MYO) 2. Dakika Baby (3.3 MYO) 3. Ardi (4.4 MYO)

Life Science Evolution & Earth History Standards 3 & Biological evolution accounts for the diversity of species developed through gradual processes over many generations.

Life Science Evolution & Earth History Standards 3 & a. Both genetic variation and environmental factors are causes of evolution and diversity of organisms.

Life Science Evolution & Earth History Standards 3 & b. Learn the reasoning used by Darwin in making his conclusion that natural selection is the mechanism of evolution.

Life Science Evolution & Earth History Standards 3 & 4 3. c. Learn how independent lines of evidence from geology, fossils, and comparative anatomy provide a basis for the theory of evolution.

Life Science Evolution & Earth History Standards 3 & d. Learn how to construct a simple branching diagram to classify living groups of organisms by shared derived characteristics, and expand the diagram to include fossil organisms.

Life Science Evolution & Earth History Standards 3 & 4 3. e. The extinction of a species occurs when the environment changes and the adaptive characteristics of a species are insufficient for its survival.

Life Science Evolution & Earth History Standards 3 & 4 4. Evidence from rocks allows us to understand the evolution of life on Earth.

Life Science Evolution & Earth History Standards 3 & 4 4. Evidence from rocks allows us to understand the evolution of life on Earth.

Life Science Evolution & Earth History Standards 3 & 4 4. a. Earth processes today are similar to those that occurred in the past and slow geologic processes have large cumulative effects over long periods of time.

Life Science Evolution & Earth History Standards 3 & 4 4. b. The history of life on Earth has been disrupted by major catastrophic events, such as major volcanic eruptions or the impact of an asteroid.

Life Science Evolution & Earth History Standards 3 & 4 4. c. The rock cycle includes the formation of new sediment and rocks. Rocks are often found in layers with the oldest generally on the bottom.

Life Science Evolution & Earth History Standards 3 & 4 4. d. Evidence from geologic layers and radioactive dating indicate the Earth is approximately 4.6 billion years old, and that life has existed for more than 3 billion years.

Life Science Evolution & Earth History Standards 3 & 4 4. e. Fossils provide evidence of how life and environmental conditions have changed.

Life Science Evolution & Earth History Standards 3 & 4 4. f. Movements of the Earth's continental and oceanic plates through time, with associated changes in climate and geographical connections, have affected the past and present distribution of organisms.

Life Science Evolution & Earth History Standards 3 & 4 4. g. Explain significant developments and extinctions of plant and animal life on the geologic time scale.

Earth 4.6 Billion Years Old - Life (Cells) 3.0 Billion Years Old - Humans 4.4 Million Years Old

Extinct Animals

Endangered Animals