Abiotic because biotic is living. So abiotic is the opposite.
The prey is likely to decrease/decline if the predator's population increases
Water.....lol. H2O? Water with salt is called salt water so without it is just water lol.
There are called Amino Acids.
Animals can be classified into two main groups:vertebrates and invertebrates<span>. The main difference between </span>vertebrates and invertebrates<span> is that</span>invertebrates<span>, like insects and flatworms, </span>do<span> not</span>have<span> a backbone or a spinal column. Examples of</span>vertebrates<span> include humans, birds, and snakes. hope this helped</span>