What are the oldest type of trees alive a. angiosperms b. gymnosperms c. monocots d. diocots

The distribution of related animals and plants across the world

Anormal appearing couple is found to be heterozygous recessive for albinism both have the genotype aa the gene responsible for albinism is recessive to the normal pigment-producing gene what are the changes of their children being albino

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel