Copulation is animal sexual behavior in which a male introduces sperm into the female's body, especially directly into her reproductive tract.
Answer: A. ancestral trait
Explanation:
Bipedalism can be define as a form of terrestrial locomotion, in which the organism moves with the help of two rear limbs or legs. Typical bipedal movements includes the hoping, running and walking. The evolution of the human bipedalism occurred in primates in about 4 million years ago with Sahelanthropus (oldest human ancestors or African Apes). The human ancestor Sahelanthropus led to the morphological alterations in the human skeleton including changes in the bones such as size of the bones of the foot, knee size, shape and orientation of the vertebral column, and leg length. All these changes contributed to the bipedalism.
<span>A symbiotic relationship in which one organism lives inside the other and both organisms benefit is the correct answer </span>
Answer: False
Explanation: They are replaced every seven years
