The organisms that is most likely not functioning as a keystone species in its ecosystem is; the Zebra mussels-Compete with native species, reducing the biodiversity of the Great Lakes ecosystem. Keystone species are plants or animals that play unique and vital role in the way an ecosystem functions. Without keystone species, the ecosystem would be dramatically different or cease to exist altogether.
The answer is b
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Answer:
The answer would be Hydrophobic tail and a hydrophilic head. Just some background info, this is located in the cell membrane and the cell membrane is made of up something called the Lipid Bilayer. The word "bi" means 2, so it comprise of 2 layers of phospholipids. These 2 layers of phospholipids are called hyrodrohpbic and hydrophilic. The word "phobic" means fear, so they hydrophobic molecules are NOT attracted to water. Hydrophilic molecules, however, ARE attracted to the molecules.
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Echinoderms I believe! Good luck, hope this helps!!
Answer:
a system whereby the government undertakes to protect the health and well-being of its citizens, especially those in financial or social need, by means of grants, pensions, and other benefits. The foundations for the modern welfare state in the US were laid by the New Deal programs of President Franklin D. Roosevelt.
Explanation: