Activity 3.4: Sorting and identifying organisms in kingdom plantae
What you need
• Pictures or specimens (cycad, mango, papyrus, fern, water cabbage, cypress, eucalyptus, sugarcane, hornwort, clubmosses, wandering Jew)
• Group names (angiosperms, pteridophytes, gymnosperms, bryophytes)
• Characteristics of different organisms written on a chart (have roots, stems and leaves; seeds are in an ovary; have flowers; have vessels; have no flowers; have no vessels; have no roots; seeds are not in an ovary)
What to Do
1. Sort the organisms in the pictures according to their different groups using the common characteristics.
Fill in the table below.
2. Construct a flow chart for any four organisms based on the
What you need
Pictures or preserved specimens of the following: hook worm, tape worm, octopus, slug, jelly fish, sponge, mosquito, spider, starfish, earth worm, sea anemone, crab, hydra, millipede, ascaris, snail, leech, liver fluke, brittle star, and locust.
What to Do
Construct a flow chart for any six organisms in the pictures using their observable characteristics.
Chordates
Members of this group are also referred to as vertebrates (have a backbone). They all have an endoskeleton (inner skeleton) comprising a skull, backbone, limb bones and ribs. They have a dorsal nerve cord (spinal cord). Most vertebrates, apart from fish, have four limbs which they use for locomotion. In birds and bats, the front limbs develop into wings for flying. A fish’s limbs are its fins, which vary in number. Snakes have no limbs.
Chordates comprise five classes:
i) Fish (Pisces)
ii) Amphibians
iii) Reptiles
iv) Birds (aves)
v) Mammals
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