What do scientists believe formed the earth and other planets

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

How and why organisms are hierarchically classifies

As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.