What type of behavioral adaptation is sleeping? why?
do not copy . answer the question in 2 or more sentences

What role does differential reproduction play in natural selection? ! a) some organisms have different reproductive success due to nongenetic traits. b) some organisms have traits that them reach reproductive age. c) different methods of reproduction result in some organisms being genetically altered. d) reproduction varies among organisms due to pathogenic factors. the answer is not a or d based on other posts.

In the human body fibrinogen is necessary for sealing cuts and stopping the loss of blood. since fibrinogen is made of chains of amino acids it is an example of which type of organic molecule

Tlymphocytes mature in the? a. thyroid gland. b. bone marrow. c. spleen. d. thymus.