Explain in your own words the "lemur experiment.”
this is from the pbs-nova-the great math mystery worksheet pls

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

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms