Rickets is caused as a result of vitamin D deficiency. The role of vitamin D in the body is its significance in the absorption of phosphorus and calcium from the gut. Consequently, phosphorus and calcium in the blood is absorbed in the extracellular matrix of bone hence giving them strength. Therefore, deficiency of vitamin D results to soft bones that are a symptom of rickets.
Answer:
Binocular vision allows an animal to see and judge depth. Predators need this depth perception to track and pursue prey. In short, forward-facing eyes allowed our ancestors to see through the dense leaves and branches in their forest habitat.
It is not as important for cats because they have an acute sense of hearing and smell along with good eyesight.
Explanation:
In accordance with evolutionary theory, male aggression and competition as well as female nurturing develop in childhood as a precursor to their adult responsibilities.
<h3>What is the theory of evolution?</h3>
Within the framework of evolutionary theory, the genesis of the human species is looked at.
According to this theory, people in the current world have qualities that have been passed down through the generations that have been genetically affected and have aided in successful reproduction.
<h3>What key principles guide evolutionary theory?</h3>
According to Darwin's Theory of Evolution, individuals within a species are not all alike, characteristics are passed down through generations, more offspring are born than can live, and only the survivors of the competition for resources will reproduce.
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The correct answers are:
1. Testing explanations
2. The second option
3. The second option
4. The last option
5. The 3rd option
6. The first option
7. The middle 2 options
8. The second option
9. The first option
10. The first option
11. The last option
12. The 3rd option
13. The 3rd option
14. The 1st option
15. The 3rd option
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