According to the fossil record found in these sedimentary layers, what conclusion can be drawn about the movement of life to land?

Responses

ALand plants and mammals evolved at the same time.
Land plants and mammals evolved at the same time.
BAs land plants became more complex, animal life did as well.
As land plants became more complex, animal life did as well.
CMammals and insects evolved at about the same time in Earth;s history.
Mammals and insects evolved at about the same time in Earth;s history.
DFlowering plants and trees became established before animals moved to land.

has to be one of the answers above

D Flowering plants and trees became established before animals moved to land.