If you're talking about the middle plant in the first picture, they are the exact same plant. The first picture was taken at the beginning of the August, the second was near May of the next year. I don't have any pets or kids. My plants are at home right now where there pets but the plants sit up off of the floor. And as dumb as my cat can be, he's not that dumb and he's not a plant eater. My dog doesn't eat plants either. And I would really hope that my cousins are old enough to know not to eat random objects.
I did tell my mom not to let any pets or kids eat the vine plant because it may be poisonous. She said she'll make sure nothing does.
The first plant in the first picture (on the far left) died after my RA turned up the heat in my dorm during Spring Break and proceeded to fry it beyond the point of saving it. The cactus and the philodendron survived. That vine is very hardy and determined.
"And somewhere in the northwoods darkness a creature walks upright. And the best advice you may ever get is: Don't go out at night..."