Rack up as many points as you can by finding and identifying all arthropods on each of three increasingly challenging branches! Estimate arthropod length from the tip of the head to the bottom of the abdomen.

mm

10

20

30

40

50

60

70

80

90

100

110

120

130

140

150

160

170

180

190

200

210

220

230

240

250

260

270

280

290

300