Crossword puzzle clue "biologists' study"

CELL, to store in a honeycomb

EMBRYO, the entity which develops in a woman's womb until it is born as a baby, esp. up to about eight weeks, after which it is known as a foetus, also EMBRYON

to pack tightly

NERD, a person obsessed with computers at the expense of human interaction, also NURD

AVE, hail

OVUM, the female reproductive cell

the female reproductive cell