Which genotype is homozygous ?
a. xxtt
b. xxtt
c. xxtt
d. xxtt

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

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

Explain two reasons you think it is important for scientists to search for new ways to treat cancer