<span>Skin in both humans and animals serves to not only protect the organs contained within us but also serves to provide sensation, which allows man and animal alike to perceive and react to external stimuli such as pain and pleasure. Lastly skin serves to regulate body temperature.</span>
I think plants in tundra lack vascular systems (xylem and phloem) because only simple (nonvascular) plants grow in tundra.
Hope this helps
The most significant uses of coal are in electricity generation, steel production, cement manufacturing and as a liquid fuel. Steam coal - also known as thermal coal - is mainly used in power generation.
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The odds that red (BB) and blue (bb) flowers will occur in the second generation is D which is <span> 25% red flowers; 25% blue flowers</span>
Maggots consume dead or decaying organisms so they are classified as a decomposer.
Decomposition is a process by which organic substances, like leaves or dead animals, are broken down into simpler matter.
A lot of different types of organisms, called the decomposers, will consume the organic substances and continue an essential part of the nutrient cycle. These organisms can be both bacteria, fungi but can also be insects.
This is important for recycling the organic matter that occupies space in the biosphere and that way, continues the movement of energy and matter in ecosystems.
