Radiometric dating worksheet when radioactive isotopes
Click the text to preview and buy The Basics of Anatomy DVD set today.The Basics of Genetics DVD set is the preeminent collection of videos for familarizing students with the staggering discipline of genetics, as the set brings to life the complex world of genes that create us all.acquired trait: A phenotypic characteristic, acquired during growth and development, that is not genetically based and therefore cannot be passed on to the next generation (for example, the large muscles of a weightlifter).adaptation: Any heritable characteristic of an organism that improves its ability to survive and reproduce in its environment.You've probably heard people talk about radiation both in fiction and in real life.For example, when the Enterprise approaches a star on "Star Trek," a member of the crew might warn about an increase in radiation levels.Archaeologists use the exponential, radioactive decay of carbon 14 to estimate the death dates of organic material.
Species adapt when succeeding generations emphasize beneficial characteristics.
Peaks on the landscape correspond to genotypic frequencies at which the average fitness is high, valleys to genotypic frequencies at which the average fitness is low. adaptive logic: A behavior has adaptive logic if it tends to increase the number of offspring that an individual contributes to the next and following generations.