When the food hits our tongues it triggered saliva (chemical digestion) then our mouths chewing is mechanical. So therefor your answer is The Mouth. Hope this helps <3
Answer:
embryological evidence or fossil evidence. give the answer choices if you can. they are vestigial structures.
Explanation:
The smallest living unit is actually a cell. An organelle is an organ inside of a cell. An organelle would not be considered alive because it can not survive without the other organelles. Whereas, a cell can survive without other cells.
<span>Cyanobacteria, which are blue-green algae, belong to the eubacterial class. Prokaryotes can be autotrophs or heterotrophs. Autotrophs like blue-green algae can make their own food, </span>
Answer:
Chiasma
Explanation:
During meiosis, more precisely, prophase 1 homologous chromosomes connect in a process known as synapsis and form tetrad structure (four chromatides). Non-sister chromatids mayrecombine with their homologous partner which is known as crossing over, the process in which genetic variabilty is produced. These non-sister chromatids remain physically connected at the points of exchange known as chiasmata.