7. Which of the following elements is LEAST likely to be found in sugar molecules A. carbon
B. hydrogen
C. oxygen
D. sulfur

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

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees

What does spontaneous generation mean?