Rachel Carson was one of the first ecologists to warn against the widespread use of pesticides and other potential mutagens and toxins. How might the presence
of a chemical mutagen in the environment affect the genetic makeup and size of
a population over time?

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

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

The idea of spontaneous generation was disproved by in a experiment involving jars of meat