What is true about adaptation and speciation?
A)Speciation consistently leads to adaptations.
B)Adaptations consistently lead to speciation.
C)Adaptation occurs frequently, while speciation occurs unusually.
D)Adaptations and speciation are both rarely observed.
Simultaneous coevolution on Earth is a result of changes in one system affecting another. Identify one cause and a feedback response.
A)Soils developed and allowed bacteria and microbes to grow.
B)Water condensed on the ground and cooled the Earth.
C)Increased ozone protection from UV radiation allowed animal evolution.
D)Red iron oxide lines in rocks caused greater oxygen production.