Alfred wegener's theory of continental drift explains

a) that only some continents move while others stay in the same place

b) that mountains are formed when continents break apart

c) that continents stay in the sam position over time

d) that the continents have moved over time as the tectonic plates they are on move

Explain the significance of the increased cell specialization of the volvocine line

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of