Final answer:
Nymphs, Streamers, and Bucktails are types of artificial flies used in fly fishing, not biological categories. In a biological context, 'nymphs' can refer to immature insects. Phytoplankton are more likely to grow in lakes rather than rivers due to their need for stable conditions for photosynthesis.
Step-by-step explanation:
The terms Nymphs, Streamers, and Bucktails actually refer to different types of artificial flies used in fly fishing, rather than categories of plants, marine animals, insects, or bird species. However, the term 'nymphs' in a biological context often refers to the immature forms of certain invertebrates, particularly insects.
Within the aquatic realm, one might find phytoplankton more abundant in lakes compared to rivers due to their adaption to still or slowly moving waters, where they can receive sunlight for photosynthesis with minimal disturbance. In contrast, fungi are not photosynthetic and therefore do not have the same environmental requirements as phytoplankton.