Answer:
The correct answer is the option: A larger brain allowed humans to solve complex problems.
Explanation:
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Evolution shows that characteristics have developed over time that have allowed living things to survive in the environment.
In this case, it involves the size of the brain. The brain grew so that the human being could solve more complex problems.
We conclude that the correct answer is the option: A larger brain allowed humans to solve complex problems.
Answer:
A larger brain allowed humans to solve complex problems.
Explanation:
Answer;
B. The digestive system is responsible for monitoring the oxygen and carbon dioxide amounts in the blood and tissues.
Explanations;
Homeostasis involves the maintenance of a constant body environment.
The digestive system is not responsible for monitoring the amounts of oxygen and carbon dioxide in the blood and tissues. (It is the function of the breathing system together with the circulatory system).
Digestive system instead helps maintain homeostasis in a number of ways, For instance;
-By changing the pH from the saliva for example, which makes the gastric environment acidic which helps the break down of food readily and fast and also protect the body from bacteria.
b. one diploid embryo and a triploid endosperm.
c. two diploid embryos.
d. one diploid embryo and a diploid endosperm.
e. two diploid embryos and a diploid seed coat.