Answer:
As the animals die, they get covered in layers. The lowest being the oldest. The difference is showing us a direct link between the two fossils. This means that the longer-spined sea urchins existed before the shorter-spined sea urchins. And evolved to have shorter spines rather than long ones.
Explanation:
Answer:
Phytoplankton and algae form the bases of aquatic food webs. They are eaten by primary consumers like zooplankton, small fish, and crustaceans. Primary consumers are in turn eaten by fish, small sharks, corals, and baleen whales.
Explanation:
<u>Answer:</u>
The equator passes through the country of Ecuador. But the climate in Ecuador can range from hot and humid to cool and dry as the differences in altitude or height causes this range in climate.
<u>Explanation:
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The rainy and the dry seasons are the two main seasons in Ecuador. Change in altitude results in the change in temperature as temperature decreases with the increase in altitude. However, the average range of temperature is between 45°F to 70°F.
Areas that are nearer to the sea level experience lower temperature and the areas that are nearer to the equator experiences higher temperature. And this is why the climate varies greatly in Ecuador.
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