1. This is a philosophical statement. (See the previous.)
2. Right, like carrots don't need aubergines. So what?
3. Sure it does. You have an implicit assumption like “I'm studying lifeforms” and you go from there. Your assumption is what you can't analyze while in science space. Sure, scientists can analyze it. That makes them, while they are analyzing, into philosophers.
Philosophy has been this thing people love to say they aren't doing for two hundred years. It is the quintessential....philosophical....rhetorical move.