Add punctuation: The head with beak and small teeth suitable for soft vegetable food was very small compared with the dimensions of the body To get highly placed leaves and branches animals had to get up on its hind limbs
A: The head with beak and small teeth, suitable for soft vegetable food was very small compared with the dimensions of the body. To get highly placed leaves and branches, animals had to get up on its hind limbs.

Add punctuation: Angelicas fresh shoots are picked during the two warmest summer months
A: Angelica's fresh shoots are picked during the two warmest summer months.

Add punctuation: With this statement may existing explorers disagree they can protest against it they can even rebel against it and threaten with clenched fists held high but that is really probably all what they also any one of us can do with that or against it
A:
With this statement may existing explorers disagree, they can protest against it, they can even rebel against it and threaten with clenched fists held high, but that is really probably all what they, also any one of us can do with that or against it.