Answer:
Down (plumaceous), (insulation)
Tail (pennaceous), (flight)
Contour (plumaceous/pennaceous), (flight/insulation)
Bristle (pennaceous), (flight)
Filoplume (pennaceous), (flight)
Hope this helps! :)
Best answer is C.<span>It occurs in somatic cells and thus are not usually transmitted to descendants.</span>
Answer:
c
Explanation: There are two types of digestion in the body. Mechanical and Chemical. Mechanical digestion occurs in the mouth (chewing). Amylase is present in saliva, and begins the breakingdown those substances in the mouth and continues to break them down in the esophagus and stomach. Also, you can tell amylase is an enzyme by its suffix -ase. -ase means it is an enzyme.
Answer:
About 5billion years ago is the correct option.
Explanation:
Hope this will help you :)
Answer:
The difference is about the primary production and the oxygen concentration and so the pH of the water. ... In the aphotic zone, there is no light, so vegetal organism can't grow and realize the photosynthesis, the CO2 is accumulated, there is less Oxygen and the pH is lower than in the photic zone.
Explanation:
its on google