What might happen to the food web below if the number of phytoplankton drastically decreased? mc022-1.jpg

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

What did hunter gathers do to alter the environment?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?