The fossil record is testament to extinct fauna no longer present on earth. certain areas of the planet have always had high species diversity (evidence from fossils and catalogs of current species diversity). which of the processes listed below likely contributed to the patterns of animal diversity we see? volcanic eruptionschanges in atmospheric oxygenextinction events (both local and global)the appearance of new land masses over time

In which of the following ways is the function of the surface of a microsphere similar to the function of an actual cell membrane? a.both make it possible for the conditions in the interior to be different from the conditions outside. b.both provide a barrier that keeps water from flowing across it so the interior remains dry. c.both separate the rna that forms in the interior from any rna that might form in the environment. d.both can actively move molecules into the interior or out into the surrounding environment.

What is the compliment dna strand to the following sequence: ttgactaggcta

Which label correctly identifies what x represents in the concept map?