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|00000010| 6e 04 00 00 c4 41 00 00 | 80 2e 00 00 00 00 ae 01 |n....A..|........|
|00000020| 01 00 0e 00 00 00 00 00 | 00 00 00 00 31 07 00 00 |........|....1...|
|00000030| 4d 61 72 73 75 70 69 61 | 6c 73 0a 0a 4d 61 72 73 |Marsupia|ls..Mars|
|00000040| 75 70 69 61 6c 73 20 62 | 65 6c 6f 6e 67 20 74 6f |upials b|elong to|
|00000050| 20 74 68 65 20 63 6c 61 | 73 73 20 6f 66 20 6d 61 | the cla|ss of ma|
|00000060| 6d 6d 61 6c 73 20 61 6e | 64 20 6f 63 63 75 72 20 |mmals an|d occur |
|00000070| 69 6e 20 32 35 30 20 73 | 70 65 63 69 65 73 20 77 |in 250 s|pecies w|
|00000080| 69 74 68 20 61 20 67 72 | 65 61 74 20 64 69 76 65 |ith a gr|eat dive|
|00000090| 72 73 69 74 79 20 2e 20 | 48 6f 77 65 76 65 72 2c |rsity . |However,|
|000000a0| 20 74 68 65 79 20 61 6c | 6c 20 73 68 61 72 65 20 | they al|l share |
|000000b0| 6f 6e 65 20 64 69 73 74 | 69 6e 63 74 69 76 65 20 |one dist|inctive |
|000000c0| 66 65 61 74 75 72 65 3a | 20 74 68 65 69 72 20 70 |feature:| their p|
|000000d0| 6f 75 63 68 20 28 6f 72 | 20 6d 61 72 73 75 70 69 |ouch (or| marsupi|
|000000e0| 75 6d 29 2e 0a 0a 55 6e | 6c 69 6b 65 20 6d 6f 72 |um)...Un|like mor|
|000000f0| 65 20 68 69 67 68 6c 79 | 20 64 65 76 65 6c 6f 70 |e highly| develop|
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|00000110| 20 6b 6e 6f 77 6e 20 61 | 73 20 70 6c 61 63 65 6e | known a|s placen|
|00000120| 74 61 6c 20 6d 61 6d 6d | 61 6c 73 2c 20 6d 61 72 |tal mamm|als, mar|
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|00000210| 6f 20 74 68 65 20 6d 6f | 74 68 65 72 92 73 20 70 |o the mo|ther.s p|
|00000220| 6f 75 63 68 20 6f 72 20 | 6d 65 6d 62 72 61 6e 65 |ouch or |membrane|
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|000002b0| 75 63 68 20 62 6f 6e 65 | 73 20 72 65 73 74 69 6e |uch bone|s restin|
|000002c0| 67 20 6f 6e 20 74 68 65 | 20 70 75 62 69 63 20 62 |g on the| pubic b|
|000002d0| 6f 6e 65 73 2e 0a 0a 48 | 65 72 65 2c 20 69 6e 20 |ones...H|ere, in |
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|00000300| 73 2c 20 74 68 72 6f 75 | 67 68 20 77 68 69 63 68 |s, throu|gh which|
|00000310| 20 74 68 65 20 6e 65 6f | 6e 61 74 65 20 69 73 20 | the neo|nate is |
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|00000370| 69 61 6c 20 6c 65 61 76 | 65 73 20 69 74 73 20 6d |ial leav|es its m|
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|000003c0| 48 6f 77 65 76 65 72 2c | 20 69 74 20 6b 65 65 70 |However,| it keep|
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|000003f0| 20 77 69 74 68 20 69 74 | 73 20 6d 6f 74 68 65 72 | with it|s mother|
|00000400| 2c 20 61 66 74 65 72 20 | 69 74 20 68 61 73 20 66 |, after |it has f|
|00000410| 75 6c 6c 79 20 67 72 6f | 77 6e 2c 20 6f 66 74 65 |ully gro|wn, ofte|
|00000420| 6e 20 75 6e 74 69 6c 20 | 74 68 65 20 6e 65 78 74 |n until |the next|
|00000430| 20 6d 61 74 69 6e 67 20 | 73 65 61 73 6f 6e 2e 0a | mating |season..|
|00000440| 0a 49 74 20 75 73 65 64 | 20 74 6f 20 62 65 20 74 |.It used| to be t|
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|00000460| 75 70 69 61 6c 73 20 6f | 72 69 67 69 6e 61 74 65 |upials o|riginate|
|00000470| 20 66 72 6f 6d 20 41 75 | 73 74 72 61 6c 69 61 2c | from Au|stralia,|
|00000480| 20 62 75 74 20 74 6f 64 | 61 79 20 72 65 73 65 61 | but tod|ay resea|
|00000490| 72 63 68 65 72 73 20 62 | 65 6c 69 65 76 65 20 74 |rchers b|elieve t|
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|000004c0| 63 61 2e 20 48 65 72 65 | 20 66 6f 73 73 69 6c 73 |ca. Here| fossils|
|000004d0| 20 6f 66 20 6d 61 72 73 | 75 70 69 61 6c 73 20 66 | of mars|upials f|
|000004e0| 72 6f 6d 20 74 68 65 20 | 65 61 72 6c 79 20 43 72 |rom the |early Cr|
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|00000500| 6c 69 6f 6e 20 79 65 61 | 72 73 20 61 67 6f 20 77 |lion yea|rs ago w|
|00000510| 65 72 65 20 66 6f 75 6e | 64 2e 20 54 68 69 73 20 |ere foun|d. This |
|00000520| 6f 63 63 75 72 72 65 64 | 20 61 74 20 61 72 6f 75 |occurred| at arou|
|00000530| 6e 64 20 74 68 65 20 73 | 61 6d 65 20 74 69 6d 65 |nd the s|ame time|
|00000540| 20 61 73 20 74 68 65 20 | 66 69 72 73 74 20 70 6c | as the |first pl|
|00000550| 61 63 65 6e 74 61 6c 20 | 6d 61 6d 6d 61 6c 73 20 |acental |mammals |
|00000560| 65 76 6f 6c 76 65 64 2e | 20 41 73 20 53 6f 75 74 |evolved.| As Sout|
|00000570| 68 20 41 6d 65 72 69 63 | 61 20 61 6e 64 20 41 75 |h Americ|a and Au|
|00000580| 73 74 72 61 6c 69 61 20 | 74 68 65 6e 20 66 6f 72 |stralia |then for|
|00000590| 6d 65 64 20 61 20 73 69 | 6e 67 6c 65 20 6c 61 6e |med a si|ngle lan|
|000005a0| 64 6d 61 73 73 2c 20 6d | 61 72 73 75 70 69 61 6c |dmass, m|arsupial|
|000005b0| 73 20 63 6f 75 6c 64 20 | 6d 69 67 72 61 74 65 20 |s could |migrate |
|000005c0| 74 6f 20 41 75 73 74 72 | 61 6c 69 61 2e 20 4d 61 |to Austr|alia. Ma|
|000005d0| 6e 79 20 6d 69 6c 6c 69 | 6f 6e 20 79 65 61 72 73 |ny milli|on years|
|000005e0| 20 61 67 6f 20 6d 61 72 | 73 75 70 69 61 6c 73 20 | ago mar|supials |
|000005f0| 77 65 72 65 20 72 65 70 | 72 65 73 65 6e 74 65 64 |were rep|resented|
|00000600| 20 69 6e 20 45 75 72 6f | 70 65 20 61 73 20 77 65 | in Euro|pe as we|
|00000610| 6c 6c 2e 20 48 6f 77 65 | 76 65 72 2c 20 74 68 65 |ll. Howe|ver, the|
|00000620| 79 20 77 65 72 65 20 73 | 75 70 70 6c 61 6e 74 65 |y were s|upplante|
|00000630| 64 20 62 79 20 6d 6f 72 | 65 20 68 69 67 68 6c 79 |d by mor|e highly|
|00000640| 20 64 65 76 65 6c 6f 70 | 65 64 20 6d 61 6d 6d 61 | develop|ed mamma|
|00000650| 6c 73 2e 0a 0a 54 6f 64 | 61 79 20 6d 61 72 73 75 |ls...Tod|ay marsu|
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|00000670| 20 69 6e 20 53 6f 75 74 | 68 20 41 6d 65 72 69 63 | in Sout|h Americ|
|00000680| 61 20 28 33 30 20 73 70 | 65 63 69 65 73 29 20 61 |a (30 sp|ecies) a|
|00000690| 6e 64 20 41 75 73 74 72 | 61 6c 69 61 20 28 32 33 |nd Austr|alia (23|
|000006a0| 30 20 73 70 65 63 69 65 | 73 29 2e 20 54 68 65 79 |0 specie|s). They|
|000006b0| 20 63 61 6e 20 62 65 20 | 64 69 76 69 64 65 64 20 | can be |divided |
|000006c0| 69 6e 74 6f 20 6e 69 6e | 65 20 66 61 6d 69 6c 69 |into nin|e famili|
|000006d0| 65 73 20 77 68 6f 20 67 | 72 6f 77 20 74 6f 20 61 |es who g|row to a|
|000006e0| 20 6c 65 6e 67 74 68 20 | 62 65 74 77 65 65 6e 20 | length |between |
|000006f0| 31 30 63 6d 20 61 6e 64 | 20 32 20 6d 20 64 65 70 |10cm and| 2 m dep|
|00000700| 65 6e 64 69 6e 67 20 6f | 6e 20 74 68 65 20 73 70 |ending o|n the sp|
|00000710| 65 63 69 65 73 2e 20 0a | 0a 54 68 65 20 62 65 73 |ecies. .|.The bes|
|00000720| 74 2d 6b 6e 6f 77 6e 20 | 6d 61 72 73 75 70 69 61 |t-known |marsupia|
|00000730| 6c 73 20 61 72 65 20 6b | 6f 61 6c 61 73 2c 20 6b |ls are k|oalas, k|
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|00000750| 6d 73 20 61 6e 64 20 77 | 6f 6d 62 61 74 73 2e 0a |ms and w|ombats..|
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|00000a70| 00 00 e4 04 00 00       |                         |......  |        |
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