The word "symbiotic" would typically be used in high school or college-level Biology courses, where students learn about relationships between different organisms. It may also be used in more advanced biology courses at the undergraduate or graduate levels.
10th grade.
Sixth or seventh grade.
I would say 4th or 5th grade.
The word "grade" can be used as both a noun and a verb. As a noun, it refers to a level or position on a scale, such as a letter grade in school. As a verb, it means to assess or evaluate the quality or performance of something.
Yes it is a grade level.
show computer bars
It was by the achievement of the whole class that we raised the grade level.
In the blue sea sharks are always symbiotic on other spieces
a grade 5 is a hard level
flat, grade, stage, round, floor,
No, it is not. Grade can be a verb with distinct meanings (to score, to level) or a noun with the same general concept (a score, a level or level rise). It can be a noun adjunct in terms such as grade crossing.
It depends on how you use it. Grade can mean a few things such as: third grade (noun); the grade of this product, grade A eggs (adjective), or a teacher can grade a paper (verb)