Changes

The second argument against evolution is: grass was created on the third day but the lights (including Sun) in expanse of the sky appeared only at the fourth day. So opponents of evolution conclude that the grass was not able to grow without light. But it may be understood that before forth day the sky was covered by dense clouds and the Sun was just not visible. There was nevertheless enough light for plants to grow.

It is also difficult for creationism to explain, how predators and parasites have appeared.