1. Why do no arrows point to any producers in this food web? 2. What is an example of a direct effect that would result from an increase in deer mouse in this food web?
3. What is an example of an indirect effect that would result from an increase in deer mouse in this food web?

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 breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian