biological clock
biological warfare
physiological
organism
biotic
biome
critter
micro-organism
microbe
microbiologist
microbiology
microbiological
microscope
microscopic
eyepiece
cell
cellular
multicellular
one-celled
acellular
nucleus
nucleic aid
membrane
cell wall
cytoplasm
organelle
DNA
RNA
cytolysis
cytochrome
lysin
centriole
cytogenesis
cytology
cytogenetics
cytotaxonomy
mitosis
bacteria
bacteriology
bacillus
germ
metabolism
metabolic
metabolize
metabolite
enzyme
grow
growing season
upgrowth
growth
grew
grown
growing
grow up
amplify
proliferate
multiply
proliferation
propagate
propagation
reproduce
reproduction
reproductive
reproducible
breed
interbreed
breeding
breeding ground
clone
cloning
asexual reproduction
agamogenesis
chromosome
chromosomal
protein
gene
genetic
genetically
genetic code
genetic engineering
vegetation
vegetative
arboretum
arboreal
plant
botany
botanist
botanical
botanical garden
botanize
photosynthesis
chlorophyll
xanthophyll
glucose
carbon dioxide
taxonomy
taxonomical
taxonomist
kingdom