Basic Ecological Concepts 2

4. Number of organisms per unit area.
5. Drought-resistant shrubs, hot summers, cold winters.
7. Specialized roots for breathing in waterlogged soils.
10. Waterlogged area with high humidity and breathing roots.
13. Found in states like Edo and Delta; has dense canopies and buttress roots.
14. Found on highlands like Plateau; has cooler temperatures and grazing grasslands.
15. Coastal biome with waterlogged soil and breathing roots.
17. Plants adapted to dry environments, e.g., cactus.
19. Hot, dry, and sparsely vegetated; found in extreme northern Nigeria.
20. Method for estimating fast-moving animal populations.

1. Line used to sample distribution along a path.
2. Influenced by birth, death, immigration, and emigration.
3. Plants that grow on other plants for support.
6. Vegetation changes with mountain height.
8. Total number of organisms of a species in an area.
9. Area occupied by a species.
11. Square frame used to sample plant populations.
12. Grassland has scattered trees divided into Southern Guinea, Northern Guinea, and Sahel.
16. How often a species appears in a sample.
18. Icy with permafrost and no deep-rooted vegetation.