Online Zoology LabVirtual Museum C

These specimens are the “Unknowns for Ch 3.Classify them using the dichotomous key.

Unknown #1(different species from same group)

Attribution: a) Pete, b) Silversyrpher: both photos are: public domain / creative commons

a

b

Unknown #2

Attribution: NASA : public domain / creative commons

Unknown #3

Attribution: a) NASA b) Joshua Sera public domain / creative commonsc) British Museum public domain / creative commons in EU, Australia and USA

View a

View b

View c, Diagram of relatedspecies: a=reproductive armb=beak mechanism (enlarged)c= internal shell (enlarged)

Unknown #4

Attribution: Photo: CDC : public domain / creative commons

Attribution: Photo: Togo Picture Gallery of DBCLS : public domain / creative commons

mouth

anus

Unknown #5

a) Attribution: a) NOAA Historical Fisheries Collection; b) Samsunemdykal c) S. Carolina DNR:All images public domain / creative commons

View abb

b

c

Unknown #6

a) Attribution: a) Khương Việt Hà; b) Alaxander Semenov : public domain / creative commons

View a

bb

Unknown #7

Attribution: a) U. Washington Digital Library b) Author Unknown c) Jon Houseman and Matthew FordAll images are public domain / creative commons

a

gill slits

notochord

mouth

anus

b

View c: Cross-section through gill chamberB= notochordC=nerve cordG= pharyngeal chamberH=gill slit

Unknown #8

Attribution: a) Hans Hilewaert b) Hechtonichus c0 Peter Halasz d) Wilfredor: public domain / creative commons

a

d foot

shell

mantle

b

c

Unknown #9

Attribution: a) Shizuha b) NOAA public domain / creative commons

a

b

Unknown #10

Attribution: Deramanus: public domain / creative commons

Unknown # 11

Attribution: Ryan kaldari, Public domain: public domain / creative commons

Unknown # 12

Attribution: Brandi Noble NOAA b) Oceanic Ichthyology (1896) Goode & Tarleton Public Domain: public domain / creative commons

a

b

gill cover

Unknown # 13

Attribution: a) rickjpellig; b) Steffen Temp: public domain / creative commons

a

b

Unknown 14

Attribution: Jared Tuszynski: public domain / creative commons

The 3-D crab. Click here.

Unknown # 15

Attribution: CDC & Harvard Univ., Piotr Naskrecki : public domain / creative commons

Unknown # 16

Attribution: NOAA: public domain / creative commons

Unknown #17

Attribution: Giacomo Merculiano: public domain / creative commons (public domain in E.U. Non-E.U. and USA.)

Unknown # 18

Attribution: Monchr: public domain / creative commons

b) Fir0002/Flagstaffotos (not public domain, non-commercial use Under the CC BY-NC License)

Unknown # 19

Attribution: a) D. Gordon E. Robinson; b) Justin Henry : public domain / creative commons

ba

Unknown # 20(a. not the brown-striped snail shell, the organism coming out of the snail shell)

(b. the animal with the antennae, not the seashell it’s living in and not the sea anemone it attached to it’s seashell for protection)

Attribution: a) J. Ollѐ: public domain / creative commons

Attribution: b) Unknown: {{PD-1874}} public domain / creative commons

a.

b.

yes

no

no

yes

no

Unknown #21

Attribution: Rodtico21: public domain / creative commons

Unknown #22

Attributions: public domain / creative commons

Unknown # 23

Attributions: a) Eric Guinther, b) José Eugenio Gómez Rodríguez; Both photos public domain / creative commons

Unknown # 24

Attribution: All images public domain : public domain / creative commons a)

View a

View b

View cSuckers and hooksFrom circled regionIn View a.

View d

O