What are the two broad categories of plants?
A. Trachaeophytes & Angiosperms
B. Trachaeophytes & Bryophytes
C. Trachaeophytes & Gymnosperms
D. Trachaeophytes & seedless vascular plants
E. Trachaeophytes & ferns
An aggretion of similar cells working together to perform a limited specialized activity is called?
There are only four types of (general) animal tissue, name them?
Epithelial tissue covers all inner and outer: A. surfaces B. spaces C. ears D. nervous systems D. any of the above could be equally valid
All glands are derived from?
Nervous tissue is specialized to?