Answer:
True
Explanation:
The Chesapeake Bay is an example of an estuary that is located in the United States. It is a source of edible marine creatures such as oysters, crabs, prawns e.t.c
Over the years, non - sustainable harvesting of oysters by farmers have been happening at Chesapeake bay, resulting in a reduction in the amount of oysters present.
Answer:
A coral reef can be described as an ecosystem of the ocean which is made up by reef-building corals. Coral reefs benefit the environment in a number of ways, one of them is protecting the shoreline. <em><u>Coral reefs tend to absorb most of the waves from the ocean and so help the coastline from erosion. It reduces the chances of ocean water waves to destroy the crops and buildings nearby and hence prevents erosion. </u></em>
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The S Phase is when the chromosomes duplicate
Answer: Adenina
Explanation:
Base nitrogenada: una molécula que contiene nitrógeno y tiene las propiedades químicas de una base. Las bases nitrogenadas en el ADN son adenina (A), guanina (G), timina (T) y citosina (C). Las bases nitrogenadas en el ARN son las mismas, con una excepción: adenina (A), guanina (G), uracilo (U) y citosina (C).