Plato answer:
Stimulation of a neuron causes a change in the charge inside the cell from negative to positive. This change is caused by ions, which are atoms with an electrical charge, moving across the cell. This change within the cell is consistent with the definition of an electric charge.
Adaptation to terrestrial living and meat- based diets resulted in primates have a highly developed sense of vision, but they lack the sense of smell possessed by other mammals such as dogs.
What is terrestrial living?
Terrestrial adaptations are shown by the plants and animals living on land. As there are various types of land habitats, the adaptations shown by organisms are also of different kinds.
Adaptation characteristics of terrestrial animals are as follows:
- The body is streamlined which helps in swift movement.
- The limbs are long and strong.
- Locomotion is digitigrade.
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Answer:
D. Sexual orientation
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Answer:
Evolution is not a random process. The genetic variation on which natural selection acts may occur randomly, but natural selection itself is not random at all. The survival and reproductive success of an individual is directly related to the ways its inherited traits function in the context of its local environment.
Answer: Several types of evidence supported Hess's theory of sea-floor spreading: eruptions of molten material, magnetic stripes in the rock of the ocean floor, and the ages of the rocks themselves. This evidence led scientists to look again at Wegener's hypothesis of continental drift.
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