Aphids are small insects that feed on the sap of phloem vessels in plants and are destructive to crops and garden plants. In order to help control aphids natrually, farmers and gardeners will introduce ladybugs that eat aphids as their food source. What type of relationship exists between the aphid and the ladybug?

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

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

What is true of sea slugs in these orders