It's Because Your Rucksack is full and you need to empty it or just (If you have one) Eat any food you have 1 of and then go back and it should work!
The symbol you're referring to is telling you that your rucksack is full. In order to fix this, either go back to your house and take something out of your rucksack or just take the fodder/feed out one at a time, and feed your animals one after another, going back to the feed bin in between each animal.
you mean animal cells?
In the Myth of Er which is part of the Circle of Life, animals are included. In the myth some animals choose the more difficult human route while some humans choose the "easier" life of an animal.
Yes animal cells are circle.
The circle around speech in a comic is called a speech bubble or speech balloon. It is used to indicate that a character is speaking or thinking.
A pisce's animals is a twin sign which is two fishes swimming in a never-ending circle and also other pisce's animals are Wolf, Buffalo, Frog and Brown Bear.
spheres are the 3-d figures which have least energy so bubble tend to be round in a circle
They are called Bubble Chairs
bird circle inside the animal circle
if you mean plants, animals and fungi then eukaryotic cells. plant shape - square or rectangle animal shape - circle
Bounce the ball off of the right circle and get it around the spiky guy into the bubble (you will have to die if you are rollong around beneath the bubble!)
Arctic Circle