The narrator mentions rich people seem to think that poor are hungry only on Thanksgiving Day. Research statistics on hunger in your local community. What information can you find related to local needs? What information can you find about how much is donated and/or if those needs are being met (and by whom)?

the form of energy changes and the total energy increases0l

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

1. is geographic distribution

2 is increasing complexity

3 is transitional forms