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Regulation of Biological Systems tutorials are focused on the modulation of biological systems from cell to population l..
Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..
Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..
This lesson explores the impact of biosecurity threats, and why they need to be identified and managed. Examples to incl..
Ferns and their relatives are vascular plants, meaning they have xylem and phloem tissues. Because of the presence of va..