Yes they did. It is generally known that amphibians breathe through their skin.
Theories basic to all of the life sciences include the cell theory because all living things are made up of cells.
When a lineage splits into multiple line of descents, then, it leads to speciation. It is a process by which a single population evolves into different species. The process of speciation leads to the development of two or more species as the lineages are splitted. These two evolved species are genetically independent.
Hence, the blank can be filled with 'speciation'.
Answer:
Do details provide support for the claim?
Explanation:
Your claim is the biggest part of your essay, it sets the tone for what is to be written and the details need to support the claim to back it up, to show the background of the claim. These details need to be precise to the claim because if not, the essay will not nor ever be near considered a good essay and that goes for all essays that have a thesis or claim in general.
True, just look at the weather channel on TV :)
