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- Specialist species can O eat a variety of foods and have broad niches Obe vulnerable to extinction when environment changes O live in many different places and changing habitats O tolerate a wide range of environmental conditionscharadrius melodus Common and scientific name of species ♦ Reasons for being placed on endangered species list ♦ Physical characteristics of organism (give at least 6 pictures) do not forget 3 unique characteristics! ♦ What is its role in the ecosystem? What will happen if ♦ Original habitat of organism this species were to become extinct? ♦ Current range and location of the organism ♦ Thoughts or ideas for recovery; laws, protection, etc.Ecologists use a rank-abundance curve to display relative species abundance, which is a component of biodiversity. It can also be used to demonstrate species richness and evenness. Figure 1 shows the rank- abundance curve for caddisflies (Order Trichoptera) of two aquatic habitats in northern Portugal (data from L.S.W. Tera). Pollution of streams, on the other hand, reduces the diversity of Trichoptera and several other groups of stream insects, reducing both species richness and species diversity. Interpret why those happened. These rank-abundance curves show that the mountain stream caddisfly community has higher species richness and greater species evenness. 0.1 - Mountain stream 0.01 Greater richness and species evenness 0,001 Coastal ponds 0.0001 20 40 60 80 Abundance rank Figure 1: Rank-abundance curve for caddisflies (Order Trichoptera) of two aquatic habitats in northern Portugal (data from L.S.W. Tera). Proportional abundance
- Species Community 1 Community 2 Community 3 Philippine eagle (Pithecophaga jefferyi) 12 15 3 Rufous hornbill (Buceros hydrocorax) 4 10 25 Red-vented cockatoo (Cacatua haematuropygia) 10 13 20 Philippine pygmy wood-pecker (Dendrocopos maculatus) 50 21 1 Philippine falconet (Microhierax erythrogenys) 3 16 2 Spotted wood kingfisher (Actenoides lindsayi) 5 19 11 White-eared brown dove (Phapitreron leucotis) 2 13 30 Luzon bleeding-heart (Gallicolumba luzonica) 1 9 45 Philippine trogon (Harpactes ardens) 5 19 1 Red-keeled flower pecker (Dicaeum australe) 4 16 32 Philippine bulbul (Hypsipetes philippinus) 11 13 1 Yellow-vented bulbul (Pycnonotus goiavier) 2 20 100 Amethyst brown dove (Phapitreron amethystinus) 0 15 1 Philippine hanging parrot (Loriculus philippensis) 5 19 22 Philippine pied fantail (Rhipidura nigritorquis) 10 21 11…Species Community 1 Community 2 Community 3 Philippine eagle (Pithecophaga jefferyi) 12 15 3 Rufous hornbill (Buceros hydrocorax) 4 10 25 Red-vented cockatoo (Cacatua haematuropygia) 10 13 20 Philippine pygmy wood-pecker (Dendrocopos maculatus) 50 21 1 Philippine falconet (Microhierax erythrogenys) 3 16 2 Spotted wood kingfisher (Actenoides lindsayi) 5 19 11 White-eared brown dove (Phapitreron leucotis) 2 13 30 Luzon bleeding-heart (Gallicolumba luzonica) 1 9 45 Philippine trogon (Harpactes ardens) 5 19 1 Red-keeled flower pecker (Dicaeum australe) 4 16 32 Philippine bulbul (Hypsipetes philippinus) 11 13 1 Yellow-vented bulbul (Pycnonotus goiavier) 2 20 100 Amethyst brown dove (Phapitreron amethystinus) 0 15 1 Philippine hanging parrot (Loriculus philippensis) 5 19 22 Philippine pied fantail (Rhipidura nigritorquis) 10 21 11…The banded tetra is a key stone species. O True O False
- Species Community 1 Community 2 Community 3 Philippine eagle (Pithecophaga jefferyi) 12 15 3 Rufous hornbill (Buceros hydrocorax) 4 10 25 Red-vented cockatoo (Cacatua haematuropygia) 10 13 20 Philippine pygmy wood-pecker (Dendrocopos maculatus) 50 21 1 Philippine falconet (Microhierax erythrogenys) 3 16 2 Spotted wood kingfisher (Actenoides lindsayi) 5 19 11 White-eared brown dove (Phapitreron leucotis) 2 13 30 Luzon bleeding-heart (Gallicolumba luzonica) 1 9 45 Philippine trogon (Harpactes ardens) 5 19 1 Red-keeled flower pecker (Dicaeum australe) 4 16 32 Philippine bulbul (Hypsipetes philippinus) 11 13 1 Yellow-vented bulbul (Pycnonotus goiavier) 2 20 100 Amethyst brown dove (Phapitreron amethystinus) 0 15 1 Philippine hanging parrot (Loriculus philippensis) 5 19 22 Philippine pied fantail (Rhipidura nigritorquis) 10 21 11…SPECIES 2 SMALL NOSE HUMAN EAR SPECIES 4 SPECIES 5 SPECIES 3 NO TAIL SPECIES 1 + SMALL NOSE ROUND JAW SMALL NECK HH₂ ANGLED BROW HUMAN EARSPECIES 4 no tail SPECIES 2 SPECIES 3 human ears small nose SPECIES 5 no tail human ears ++ SPECIES 1 H round jaw small neck angled brow
- Many endemic species are found in areas that are geographically isolated. Suggest a plausible scientific explanation for why this is so.Describe two of the threats facing native species inHawaii, and two actions people have taken to address thesethreats. What new trend is now jeopardizing some ofthese efforts? What steps do you think might be requiredin the future if we are to safeguard native species inmountainous habitats in places like Hawaii?An unpalatable species demonstrates its threat to potential predators by displaying (a) character displacement (b) limiting resources (c) cryptic coloration (d) aposematic coloration (e) competitive exclusion