The first land plants appeared around 470 million years ago, during the Ordovician period, when life was diversifying rapidly. They were non-vascular plants, like mosses and liverworts, that didn't have deep roots
Scholarly. Scholarly peer review (also known as refereeing) is the process of subjecting an author's scholarly work, research, or ideas to the scrutiny of others who are experts in the same field, before a paper describing this work is published in a journal, conference proceedings or as a book.
The two lower chambers of the heat, which recurve blood from the atria and pump it into the arteries
Peroxisomes are a small organelle that is present in the cytoplasm of many cells and<span> that contains the reducing enzyme catalase and usually some oxidases.
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Black moths were more fit to survive to the environement, since many animals couldnt see them.
