Megan looks up at the night sky. she counts 20 stars that appear to be directly overhead. how many of these stars will appear to have rotated in a circle from east to west through the night? a. none of them b. ten of them c. all of them d. five of them

Which organisms have pharyngeal arches that develop from all three germ layers and go through the same development stages as embryos? 1.bird 2.ladybug 3.starfish 4.snake

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 class of levers is shown in this image?