Answer:c. small intestine
Explanation:in humans, digestion is extracellular.specific parts of the digestive system has specific functions.digestion involves the mechanical breakdown and chemical breakdown of food.
These chemicals called enzymes requires specific conditions to be effective.the salivary glands found in the mouth is the first enzyme that food encounters in the digestive system.this gland produces amylase which acts starch.
The stomach mixes food mechanically with enzymes such as the gastric juice containing pepsin.
Digestion initiated in the stomach continues in the intestine,here pancreatic juice from the pancreas and bile from the liver acts on ingested food.
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Adaption, evolution, variation are all causes of natural selection.
hope this helps..
brainliest..?
Answer:
Adaptive radiation .
Explanation:
All other finches species are evolved from original seed eating finches.
Plants produce hard seeds in dry season and soft in cold season.. Due to this finches beak get affected
Answer:
It controls what the cells are doing and carries your genes. It acts as the brain of a cell.
Explanation: