What would happen to life on earth if the ozone layer was not present

Majority of the things on Earth would die because of the excessive absorption of the sun's rays and the fact that we have nothing to protect us from it (the ozone layer) would make us all disappear with no doubt.

the first two-party system consisted of the federalist party, who supported the ratification of the constitution, and the democratic-republican party or the anti-administration party (anti-federalists), who opposed the powerful central government, among others, that the constitution established when it took effect in