You're handling the edges much better this time around - although you're still not shifting the degree of your ellipses at all, which contributes to a certain subtle sense of stiffness.

I see that I misunderstood that question - though it's unfortunately that you didn't address that issue all the same. I generally do get concerned when students come back with revisions very quickly, and miss points that have been called out. As to your actual question though, yes - that's something that'll improve with practice, although you're doing a pretty decent job all the same in maintaining a consistent width to the branches, so that's not something I'm worried about. Try to keep your focus on the points I raise in the feedback.

As to your other questions:

1. Yup, use the branches technique for that - although try to give your constructions lots of space on the page, to mitigate that scale issue. As you get more comfortable constructing things at a larger scale, you'll be able to bring that scale down a bit more and find that it's easier to tackle. Sometimes though, working bigger may require you to focus on a specific chunk of a given reference (like a specific cluster of strawberries) - which is fine, you by no means have to draw everything present there.

2. The lessons give you tools, but ultimately you judge what is best for a given situation, as there's no specific formula. The approach shown with the hibiscus allows us to lay out structure to keep petals extending to a roughly consistent distance from that center point - but that isn't always what you want. You might have leaves that extend to entirely arbitrary distances (in which case no ellipse would be used), or cases where leaves/petals are arranged in tiers, some ending at a closer radius, others at a farther radius (in which case multiple ellipses can be used). Focusing on the things you learn here as tools in your toolbelt, to be pulled out to adhere to that core principle of building up in stages, will help you approach your needs with more flexibility, finding the solution that suits the case best.

Now, while I am still concerned about your ellipses' degrees remaining consistent, I'll leave that to you to address yourself - although if you're unsure of what I mean, feel free to ask.

I'll go ahead and mark this lesson as complete.