The particular design of muscles and bones in the neck and limbs of the turtle allow that it can draw in its exposed parts such that an attacker can find nothing but hard shell to bite.
The particular design of muscles and bones in the neck and limbs of the turtle allow that it can draw in its exposed parts such that an attacker can find nothing but hard shell to bite. A allow that it can draw in its exposed parts such that [tr][/tr][td][/td]B allow it to draw in its exposed parts, and so [tr][/tr][td][/td]C allows for it to draw in its exposed parts and that [tr][/tr][td][/td]D allows that it can draw in its exposed parts, and so [tr][/tr][td][/td]E allows it to draw in its exposed parts, so that
'...and so', while not ungrammatical, departs somewhat from the intended meaning of the original:
so that (the original construction) implies a sense of purpose, intent, or design, while and so merely implies consequence, whether designed or arbitrary. for instance:
jim left his parents' back door open so that his friends can come take the liquor --> jim left the door open with this particular nefarious purpose in mind
jim left his parents' back door open, and so his friends can come take the liquor --> jim happened to leave the back door open, an oversight allowing his less straitlaced friends access to the alcohol