'Natural selection leads' presentation slideshows

Changes Over Time

Changes Over Time. SOL: BIO 8 a-e. Standard BIO 8 a-e The student will investigate and understand how populations change through time. Key concepts include: a) evidence found in fossil records;

664 views • 65 slides

Evolution

544 views • 36 slides

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.

681 views • 23 slides

Ecotypes and Species

Ecotypes and Species. Matt, Kevin, Josh, Tinus. What is an Ecotype?. An Ecotype is a population of species that differs genetically from other populations of the same species because local conditions have selected for certain unique physiological or morphological characteristics

695 views • 6 slides