Answer: <em><u>1838</u></em>
Explanation: In 1838 Schwann became familiar with Matthias Schleiden's microscopic research on plants.
Answer:c. the spinal cord is severed and causes massive hemorrhaging.
Explanation:Neurogenic shock is a type of shock caused by disruption of the autonomic pathways in the spinal cord which usually results in low blood pressure, which can occur following a trauma to the spinal cord. It is caused by abnormal or irregular circulation of blood in the body.
Answer:
The bugs evolved beak lengths that were adapted to their host plant.
Explanation:
This is an interesting case of evolution in which bugs evolved (changed) quickly over a few generations. In less than 50 years the bugs evolved beak lengths to match the size of the new host plant’s seed pods. The bugs were not used to live out of that plant but they started feeding on it and then they changed some of their characteristics.