Hi There! First, congrats for getting through the lesson. Here is my critique:

Arrows: The arrows look good. Don’t forget perspective, start large and taper smaller. Try keep it consistent. The shading is done on the correct sides too.

Leaves: The leaves look good. Well done on breaking the silhouette of the forms. You could have experimented a bit more in twisting the leaves.

Branches: Your branches show confident lines and connect well between ellipses. The ellipses show a gradual change in angle. Some of the forms are a bit narrow is areas, but practice makes perfect.

Plants: Your plants look great! I can see careful consideration for the construction of the various forms.

Very well done on this exercise. Of course, keep doing Lesson 1 warmups as you are heading through the next lesson.