which of the following does not provide new genetic combinations? a. independent assortment c. crossing-over b. random fertilization d. cyotkinesis

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

The table below shows the number of foot bones in some horse fossils. horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?