Answer:
Fossil record, history of life as documented by fossils, the remains or imprints of organisms from earlier geological periods preserved in sedimentary rock. Their ages can be established by comparing the fossils in each layer.
It should be "population" but I'm not 100% sure. I hope this helps a little bit.
1.) atom ; tissue
2.) cell
3.) organ system
4.) true
5.) atom
6.) Particle
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The answer is A.) <span>improve resistance to pests, reduce the need for pesticides, and increase survival rates in adverse growing conditions. </span>
A gastric intestinal tract is a series of hollow organs joined in a long twisting tube from mouth to anus . The hollow organs that make up GI tract are mouth , oesophagus, stomach , small intestine , large intestine and anus.
<h3>What is the function of GI tract ? </h3>
The function of GI tract is to breakdown of food into Carbohydrates ,fats and proteins.
2) The physiological functions of digestive tract is to digest and absorb food then excrete the waste products with the help of the liver, gall bladder, pancreas,small intestine ,large intestine and rectum.
The topic of small intestine ,I found the most valuable because it performs absorption .
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