Most ciliates have two
a . cilia
b. cell walls
c . cell membranes
d. nuclei

Which of the following best describes the purpose of technology?

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

This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called