Can a hypothesis be proven true? Why or why not?

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

Ineed some everybody. the production of cells during mitosis into specialized function is called: recombination or differentiation

Explain how the political influence of african americans leaders became weaker.