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.
Answers/ Explanations:
- Water is considered a <u>'Natural'</u> resource (Fresh water is also considered a <u>'limited'</u> resource.
- Oil, coal, and natural gas are considered <u>'Non-renewable'</u> resources.
- <u>'Chemical'</u> energy is able to be replaced within the ecosystem for human use.
- A farmer who wants to produce the best crop yield will use '<u>Precision Farming.'</u>
- When a pollutant increases in concentration at higher levels of the trophic level, <u>'Biomagnification'</u> can harm organisms at the highest levels.
Answer: Glucose, fructose, and galactose each has twice the number of hydrogen atoms as the number of oxygen atoms.
Explanation: I hope this help
Evolution occurs when<span>these heritable differences become more common or rare in a population, either non-randomly through natural selection or randomly through genetic drift
</span>
