What is the advantage for a species of pregnancy and lactation?

Pregnancy ensures that the baby develops from a fertilized under the shelter and close protection of the mother. Lactation also provides the opportunity for the offspring to receive nutrients directly from the mother until it grows to a considerable size. This dependency on the mother and maternal care increases the survival rate of the offspring.

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.

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