you have to hack it.
First, beat the adventure mode 1 time. Then Replay Adventure until you get to level4-10. Then you will encounter the mystiery zombie......THE YETI!!!
Abracadvre by Elena Seigman
PopCap games have created a number of online games. The most famous games include Bejeweled, Plants versus Zombies, Zuma, Peggle, Chuzzle and Hidden Object.
complete story mode once then you can find him at level 4-9
the hidden plant
Not really known but Der Reise is probable due to all the hidden clues and pictures on the walls
The name is "see me,stab me,heal me" the description is you have to use the upgraded ballistic knife in zombies against a downed teammate
The F2 generation showed hidden traits in all plants of Mendel's experiments. This generation resulted from crossing the hybrid F1 generation plants, allowing recessive traits to resurface and become visible in the offspring.
If you are referring to the hidden easter egg song in Black Ops 2 Zombies map "Buried", then I believe it is by Kevin Sherwood and Malukah.
Plants with deep root systems, sturdy trunks, and flexible branches are more likely to survive a storm. Trees like oaks, cypresses, and conifers generally withstand storms better than more fragile plants. It's also important to ensure plants are properly pruned and supported to reduce storm damage.
F1 generation
f2 generation