Across
- 3. the scientific study of insects, specifically a branch of zoology focused on their classification, life cycles, behavior, ecology, and interaction with humans and the environment.
- 4. microscopic, single-celled prokaryotic organisms that lack a distinct nucleus and live in virtually all environments, including soil, water, and within other living organisms
- 5. a tentative, testable, and unproven explanation for a phenomenon, often called an "educated guess," based on limited evidence or observation
Down
- 1. a kingdom of eukaryotic organisms—including mushrooms, molds, and yeasts—that lack chlorophyll, possess chitinous cell walls, and obtain nutrients via absorption, usually as decomposers, parasites, or mutualists.
- 2. cold-blooded animals that lack a vertebral column or backbone
- 3. a geographic area where plants, animals, other organisms, and microorganisms interact with each other and their non-living, physical environment (weather, landscape, sunlight, soil) as a functioning units