Introduction to Animal Life in Oceans

Introduction to Animal Life in Oceans

Introduction to Animal Life in Oceans
Reading Level

	edHelper's suggested reading level:	grades 3 to 6
	Flesch-Kincaid grade level:	6.13

Vocabulary

challenging words:

residence, solution, species, environment, meets, surface, whales, than, shores, hermit, below, beam, level, nearby, beach, ocean

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Introduction to Animal Life in Oceans

¹ Oceans, covering more than 70% of the Earth's surface, are so big and complicated that scientists have segmented them into different zones.

² The intertidal zone (or the littoral zone) is where the ocean meets land. When we take a stroll along the beach, we are in the intertidal zone. As the name suggests, this ocean zone is always between high and low tides. During high tides, the intertidal zone is completely submerged. During low tides, it is exposed to air. Life here is tough because animals must adapt to a constantly changing environment. Barnacles, hermit crabs, starfish, and horseshoe crabs all take up their residence in the intertidal zone.

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