Such groups include hunter-gatherers, pastoral nomads (owning livestock), and tinkers or trader nomads. In the twentieth century, population of nomadic pastoral tribes slowly decreased, reaching to an estimated 30–40 million nomads in the world as of 1995.
Are there any answer choices because you say which can cause............
Answer:
(Read Explanation)
Explanation:
The front-facing owl eyes allow the bird to accurately judge distance when swooping in on prey. The side-facing rabbit eyes allow the animal to detect the motion of possible predators.
The specialized eye types of these animals are examples of:
(a) disruptions of the natural balance
(b) the interdependence of living things
(c) adaptations for survival under certain conditions
(d) involuntary responses to stimuli
