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Evolution

Evolution

Evolution. Evolution. Defined the change in a genetic make-up of a population over time. Microevolution: genetic changes in a population through recombination and fertilization over time.

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581 views • 43 slides
Chapter 4 Ecosystems and Living Organisms

Chapter 4 Ecosystems and Living Organisms

Chapter 4 Ecosystems and Living Organisms. Case Study:. Where did all the aspen trees go? How did the park rangers/biologists work to find an answer to this question? What happens when a top predator is removed from an ecosystem?

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542 views • 39 slides
Chapter 5 Ecosystems and Living Organisms

Chapter 5 Ecosystems and Living Organisms

Chapter 5 Ecosystems and Living Organisms. Case Study:. Where did all the aspen trees go? How did the park rangers/biologists work to find an answer to this question? What happens when a top predator is removed from an ecosystem?

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401 views • 39 slides
Chapter 4 Ecosystems and Living Organisms

Chapter 4 Ecosystems and Living Organisms

Chapter 4 Ecosystems and Living Organisms. Overview of Chapter 4. Evolution Natural Selection Biological Communities Symbiosis Predation & Competition Species Richness & Community Stability Community Development Succession. Evolution.

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516 views • 35 slides
Chapter 4 Ecosystems and Living Organisms

Chapter 4 Ecosystems and Living Organisms

Chapter 4 Ecosystems and Living Organisms. Overview of Chapter 4. Evolution Natural Selection Biological Communities Symbiosis Predation & Competition Species Richness & Community Stability Community Development Succession. Evolution.

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430 views • 33 slides
Chapter 4 Ecosystems and Living Organisms

Chapter 4 Ecosystems and Living Organisms

Chapter 4 Ecosystems and Living Organisms. Overview of Chapter 4. Evolution Natural Selection Domains and Kingdoms Biological Communities Primary & Secondary Succession Symbiosis Mutualism, Commensalism, Parasitism Predation & Competition Resource Partitioning Keystone Species

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477 views • 31 slides
Fossils and Species Development

Fossils and Species Development

Fossils and Species Development. Life on Earth. There are many theories of how life first appeared on Earth, but lack of evidence has made it extremely difficult to know which theory is correct. Life on Earth began approximately 3,500 million years ago.

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675 views • 23 slides
Analogous

Analogous

Analogous. Homologous vs Analogous . Vestigial Structures. W hile the forelimbs slowly evolved into flippers, the hind limbs Slowly disappeared and all that is left is a few tiny bones. Several Examples. The Appendix. Wisdom teeth in humans. Blind Cave Fish.

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495 views • 18 slides

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