Layer 10 is were you most likely find coal
Answer:
Dog, Human, Dolphin
Explanation:
All of these animals produce milk, live birth, and have hair. These qualities make them mammals
<span>This is actually a true statement. However, there are relative amounts of mercury that are higher in some species and lower in others. Eating fish in moderate amounts and being cognizant of the relative amounts in different varieties (more in shark and tuna, while less in crab and lobster) can help a person make smarter choices.</span>
The phylum that is referred by the description above is the ECHINODERMS. The echinoderms are considered as invertebrate organisms found in the ocean, this means that these organisms do not have skeletons. The most prominent feature of the echinoderms are their spikes and spines. Examples are sea stars or starfish and sea urchins.
Answer:
Biotic factors include plants, animals, and microbes; important abiotic factors include the amount of sunlight in the ecosystem, the amount of oxygen and nutrients dissolved in the water, proximity to land, depth, and temperature. Sunlight is one the most important abiotic factors for marine ecosystems.