A. Read and understand the questions and choose the letter of the
correct answer.
1. A kind of ecosystem where freshwater meets a saltwater?
A. habitat B. intertidal zone C. estuaries D. marine zoo
2. It is an ecosystem where the ocean floor is covered and
uncovered as the tide goes in and out.
A. terrestrial zoo B. estuaries C.intertidat zone D. habitat
3. All these abiotic factors greatly affects the organisms in an
estuarine, which one is not included
A. Salinity B. Marine animals C. Waves D. Amount of Sunlight
4. The following pictures are examples of a food chain or
a food web. Which picture describes a food chain in estuaries?
A.
bing
С
B.
D.
5. What makes a plant a producer?
A. Plants are produced. C. Plants produce food for other animals
B. Plants produce their own food. D. None of the above

1.C Estuaries form a unique marine biome that occurs where a source of fresh water, such as a river, meets the ocean. Therefore, both fresh water and salt water are found in the same vicinity.

2.C.The intertidal zone is the area where the ocean meets the land between high and low tides. A tide pool within Monterey Bay National Marine Sanctuary. Intertidal zones exist anywhere the ocean meets the land, from steep, rocky ledges to long, sloping sandy beaches and mudflats that can extend for hundreds of meters.

3D.Sunlight, also called sunshine, solar radiation that is visible at Earth's surface. The amount of sunlight is dependent on the extent of the daytime cloud cover.

4where is the picture?..

5.C.Plants make food in their leaves. The leaves contain a pigment called chlorophyll, which colors the leaves green. Chlorophyll can make food the plant can use from carbon dioxide, water, nutrients, and energy from sunlight. This process is called photosynthesis.

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