There have been several mass extinctions in the planet's history, such as the extinction of the dinosaurs, but the current mass extinction is different. greater numbers of species are now going extinct faster than ever before. also unique to the current mass extinction is the cause.
what is causing the current mass extinction?
rising sea levelsclimate changesolar flaresman's direct activities

Kara has a plant that produces either purple or white flowers. she crosses a plant that has two recessive alleles for white flowers with a plant that has two dominant alleles for purple flowers. which result would be true of all of the offspring? a) all of the offspring would have two recessive alleles and white flowers. b) all of the offspring would have two dominant alleles and purple flowers. c) all of the offspring would have one recessive allele, one dominant allele, and white flowers. d) all of the offspring would have one recessive allele, one dominant allele, and purple flowers