Starting with your arrows, these are flowing quite well through 3D space, with a strong sense of fluidity. Make sure you keep thinking about how the space between the zigzagging sections will compress as we look farther back though - exaggerating that will help you convey a stronger sense of depth in the scene.

The sense of fluidity we get out of those arrows largely show up in your leaves as well - you've done a good job of capturing how these leaves not just sit statically in 3D space, but also how they move through the space they occupy from moment to moment. You're also doing a good job of building up the more complex edge detail right on top of the simpler leaf construction. This helps maintain the sense of solidity to the leaf, while building in the additional information. You've already answered the question of how the leaf moves through space, so the wavy and torn edges just build atop that.

One minor point about the "veiny" texture in your bottom right leaf - you appear to be somewhat aware of the fact that the textures you're drawing are the cast shadow shapes that imply the presence of the forms themselves. The veins are like little 3D tubes along the surface of the leaf. You have however drawn your marks in a way that seems like you're trying to draw the veins themselves, rather than the shadows they cast. Always remember this - texture is made up of shadows, not the objects themselves. Furthermore, when drawing texture, try not to work with lines - always work with shapes. One way to approach that is to purposely work in this two step process. First lay down the outline of the shape you want to draw (a closed shape, where the start and end point are the same), then fill it in.

Moving onto your branches, I'm noticing that you aren't quite following the instructions correctly, in regards to how to start/end your line segments. As shown here, your first segment should end halfway towards the next ellipse, and your next segment should start at the previous ellipse. This results in a healthy overlap between them, which is key to getting them to flow smoothly from one segment to the next without any obvious transition. Since you're not doing this, there are a lot more visible "breaks" in the flow from segment to segment.

Aside from this, and perhaps the tendency not to always fully draw through your ellipses (draw through each one 2 full times), your branches do still feel relatively solid.

Continuing onto your plant constructions, you are largely doing a good job, with a few points I'd like you to keep in mind:

• The potted plant (IMG_4355.jpg, since I have no better way of referring to these when they're hosted on google drive), is largely well done, and I think the pot is very well constructed. My only issue is that the leaves themselves get cut off along the bottom. It's always best to draw each leaf in its entirety so you can fully grasp how the whole thing exists as a form in 3D space. Then you can cut it off by drawing how it intersects with the soil inside the flower pot. Yes, this involves drawing a lot of things you wouldn't generally be able to see, but as these drawings are all exercises to help you develop your understanding of 3D space and as they're not about drawing pretty pictures, it is an acceptable move.

• When drawing the little ridge texture along some of your leaves, remember again that texture is made up of shadow shapes, not lines. So be sure to apply that two-step process for drawing your textural marks as shadow shapes rather than individual strokes.

• In general it's always better to draw things big, taking as much room as you can manage on the page for a drawing. Sometimes you'll end up in situations where a drawing may have too many parts and may be too sprawling, to be able to reasonably fit into a single page. One example of this is IMG_4357.jpg. Here you're so far out from the plant that you've forced yourself to draw the stems of the leaves as lines rather than forms. In this kind of situation it would be preferable to zoom into a specific section of the plant and focus only on that, rather than drawing the whole thing, as it would make the exercise as a whole more valuable.

Aside from these points, you're largely doing a good job. As such I'll go ahead and mark this lesson as complete.