A tortoise population lives in an area with high grass. These tortoises have longer necks than tortoises that live in other areas. The long necks are an
example of this.

variation or adaption

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells

Which of the following is a limitation of a clinical trial? a.)amount of random assignments b.)hospital cost c.)number of test tubes d.)amount of peer review