Weight Watchers Week 1 Weigh In and my Take on the Free Fruit. Week 1 on the new Weight Watchers PointsPlus is a success! Iâm down 3.6 lbs! I feel fantastic and Iâve been doing great but I havenât yet found my groove with the plan. Let me explain while answering the questions Dana left of my recent Do You Nibble postâ¦.
1 Tropical rainforests have the most diversity. 2  The most diverse group of animals are invertebrates. 3  Invertebrates are animals without backbones, including insects, crustaceans, sponges, scorpions and many other kinds of organisms.
Species diversity is defined as the number of species and abundance of each species that live in a particular location. The number of species that live in a certain location is called species richness. If you were to measure the species richness of a forest, you might find 20 bird species, 50 plant species, and 10 mammal species.