Change in velocity, direction, or both
I think that’s what you’re asking
Schwann - In 1839, he cells are the basic unit of animal structure
Schlieden - In 1838, he discovered cells are the basic unit of plant structure
Hope this helps
Answer
(B) They are the only trophic level that can use the sun's energy to create
Explanation:
Its right on Edge 2020.
It is true, there are several phyla.