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Chromosome Mutations
Chromosome Mutations

Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..

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Animal Growth Hormones

Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..

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Still Freshwater & Plants

Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..

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Animal Water Regulation

Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..

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Seed Plants

Seed plants are vascular plants. They differ from the other vascular plants in producing seeds that germinate into a new..

Hormone Production
Hormone Production

Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..