Ammonoids are good as index fossils because of the following characteristics;
<span>1.
</span>Their abundance and vast distribution across most shallow
marine waters during the periods
<span>2.
</span>They have easily recognizable
features, such as shells and the highly crenulated and complex suture, that are well preserved in rocks
<span>3.
</span>Their rapid
evolution that can assist determine changes and variations in the then environment
Fossil fuels and dissolved carbon compounds in the oceans
Answer:
All cells get energy from glucose
Explanation:
The main source of energy for all the metabolic process and function of body organ individually and as one entity is glucose. Thus, there is essential requirement to transport glucose to all the cells within the body. Insulin and glucagon hormone regulates, control and facilitates the transmission and production of glucose. Both these hormones works opposite to each other, hence a proper balance is to be maintained for producing adequate amount of glucose
