Which area of the central nervous system contains cerebrospinal fluid?
a)efferent tissue
b)subarachnoid space
c)dura mater
d)grey matter

Arrange the following in the correct sequence, from earliest to most recent, in which these plant traits originated. 1. sporophyte dominance, gametophyte independence 2. sporophyte dominance, gametophyte dependence 3. gametophyte dominance, sporophyte dependence a) 1 → 2 → 3 b) 2 → 3 → 1 c) 2 → 1 → 3 d) 3 → 2 → 1 e) 3 → 1 → 2

Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.