Answer:
Cougars were killed to perfect humans and live stock, they were a major source of food for humans, and their habitats shrunk do to humans building houses.
Explanation:
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Cougars were hunted to protect people and livestock. Rewards were offered for killing them. The cougar’s habitat shrunk as settlers cleared the forests. People also competed with cougars for deer, a major source of food.
Answer:
From the era of Reconstruction to the end of the 19th century, the United States underwent an economic transformation marked by the maturing of the industrial economy, An outburst of technological innovation in the late 19th century fueled this headlong economic growth
Explanation:
Answer:
D) circadian rhythm
Explanation:
The Circadian Rhythm is often referred to as a "biological clock". This gives the impression that it governed by the organism and without the complete influence of abiotic factors but there are some influences none the less. The rhythms, include physical, mental and changes in behaviour. This is in alignment with the day-night cycle. Most organisms that follow a circadian rhythm respond to a pattern of light and dark. This influences the sleep-wake pattern.
Humans are social animals, so without the company of other humans they would eventually go mad or die.
Children according to Jean piaget gradually acquire the ability to understand the world around them through active engangement with it. the theory explain how children develop intellectual skills to interact and react with their environment.Piaget proposed that all children progress through a series of cognitive stage of development
