Coral reefs are formed from coral polyps. When the polyps release calcium, a free swimming coral larvae is formed and which attack themselves to attached rocks.
<u>Density</u> – The amount of matter in a given space. In scientific terms, density is the amount of mass in a unit of volume.
or
The amount of matter in a given amount of space is known as the <u>Density.</u>
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Fish live completely in water, amphibians partly in water and land while reptiles live on land. Fish and reptiles have scales while amphibians have smooth skin. Fish breath through gills, amphibians through gills and lungs while reptiles through lungs. They are generally classified as vertebrates.
Answer:
Domains Archaea and Bacteria
Explanation:
The scientific name for the red maple is Acer Rubrum.
