Answer:
spores have special chemicals that prevent ot from
Bacteria builds immunities so that your immune system becomes stronger and can also help in the break down of other materials
Intestine, the intestine digests food involuntary.
The invading bullfrogs ARE HARMFUL. This is because, they cause decline in the population of the native species.
Decline in the population of the native species will throw the ecosystem into a condition of imbalance which will eventually affect all the living organisms that are living in that ecosystem.
