It was Arsenal's youngest team in the Premier League for over five years, with contract rebels Alexis Sanchez and Mesut Ozil both missing from the squad.
Arsenal's lack of attacking threat is a bigger concern than team spirit for manager Arsene Wenger.
"I don't think we didn't work hard, we have come out of the Chelsea game where we gave a lot, we worked hard", Wenger said during his press conference after his side's defeat at the Vitality Stadium.
The Gunners got off to a positive and hit the upright in the opening 10 minutes through Ainsley Maitland-Niles' powerful strike.
Howe's side finished the half strongly, though, Ryan Fraser drawing an important block from Calum Chambers and then testing Petr Cech, while Arsenal were perhaps fortunate not to concede a penalty for handball against Iwobi from a corner.
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After a quiet start, the second half burst into life when Arsenal took the lead after 52 minutes, Hector Bellerin on target after Iwobi had put him through one-on-one with Begovic, who got a hand to the strike but could not stop it.
With 20 minutes remaining Bournemouth found a deserved equaliser.
- Arsenal have picked up just 13 points after 12 Premier League away games (W3 D4 L5) - their worst record at this stage of a season since 2005-06 (12 from 12).
Alex Iwobi tested home keeper Asmir Begovic before Bournemouth midfielder Dan Gosling was booked after going to ground under a Shkodran Mustafi challenge when the Arsenal player appeared to have caught him.
The goal was Ibe's first for the club in 18 months.