A: Absolutely! But your benefiting Charity does need to have set up what's called a Peer to Peer Campaign first, meaning they have created a kind of parent campaign from which you create your own personalised - or team - version of the same campaign.
If you see the More blue button on the campaign page, you're able to create your own or team campaign from the 'Start a fundraiser' option:
Once you've created your fundraiser in this way, you'll then see the Fundraise as a team option again from the blue More button:
Follow the steps to add and invite team members, and you have your team event!