1. Biomes Of The World
... need space underground for roots for gas and chemical exchange with the substrate, and for nutrient and water gathering. Competition for space is intense among plants, at leaf and root level. Plant nutrition comes from a from combination of leaf photosynthesis and root gathering. Predator avoidance is by physical (spines, hairs, sticky resins) and/or chemical means (there is an ... reptiles; and several groups of arrow-poison frogs (Atelopodinae, Dendrobatidae) and centrolenid frogs among the amphibians. Iguanid lizards and hylid frogs are largely restricted to the New World tropics, the...
- Word Count: 12375
- Approx Pages: 50
- Has Bibliography
- Grade Level: Undergraduate