'Life length' presentation slideshows

Chapter 17

Chapter 17. The History of Life. 17-1 The Fossil Record. Paleontologists- scientists who study fossils Fossil Record- all the information about past life forms. Provides evidence of the history of life on Earth. Shows how different groups of organisms have changed over time.

469 views • 32 slides

Life length and ageing

Life length and ageing. Selection for increased life length? Selection is strong prior to reproduction Selection is relaxed thereafter What is ageing (senescence)? Accumulation of mutations Reduced selection after reproduction Reproduce once / several times? Semelparity/monocarpy

319 views • 18 slides

Life length and ageing

Life length and ageing. Selection for increased life length? Selection is strong prior to reproduction Selection is relaxed thereafter What is ageing (senescence)? Accumulation of mutations Reduced selection after reproduction Reproduce once / several times? Semelparity/monocarpy

181 views • 18 slides

Adult Career Guidance in Norway NordPlus Iceland Feb 2016

100 views • 9 slides