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Life Science: Brassica & Butterfly System

Track Our Progress: Brassica and Butterfly Life Cycles

Click on the days below to see our Brassicas and butterflies develop through their life cycles. Then, at the bottom of the page, see an animation of the entire Fast-Plant life cycle in timelapse.

See the Life Cycles activity instructions for questions to consider, use the Brassica & Butterfly Data Sheet (PDF) to record your observations, then share your results on the discussion board.

FAST PLANT
(Brassica rapa)
CABBAGE WHITE
BUTTERFLY
(Pieris rapae)
fast plants day 0
Day 0
: Seeds planted
butterfly day  0
Day 0
: Eggs
fast plants day 2
Day 2
: Seeds germinate
fast plants day 4
Day 4
: Vegetative growth
butterfly day 4
Day 4
: First larval stage emerges
butterfly day 6
Day 6
: First larval stage feeds
butterfly day 8
Day 8
: First larval stage
molts to second larval stage
fast plants day 10
Day 10
: Flower bud development
butterfly day 10
Day 10
: Second larval stage feeds
butterfly day 12
Day 12
: Second larval stage
molts to third larval stage
fast plants day 14
Day 14
: Flowering and pollination
butterfly day 14
Day 14: Fourth larval stage
molts to fifth larval stage
butterfly day 16
Day 16: Fourth larval stage feeds
butterfly day 18
Day 18
: Fifth larval stage feeds
fast plants day 20
Day 20
: Seed pods form
butterfly day 20
Day 20
: Pupae form
fast plants day 22
Day 22
: Seeds develop in pods
butterfly day 22
Day 22
: Pupae developing
butterfly day 26
Day 26
: Emergence imminent
butterfly day 30
Day 30
: Butterfly emerges
butterfly day 32
Day 32
: Butterflies feed
fast plants day 34
Day 34
: Senescence and
seed ripening
butterfly day 36
Day 36
: Butterflies mate
butterfly day 38
Day 38
: Egg-laying
fast plants day 40
Day 40
: Death; seeds ripe
butterfly day 40
Day 40
: Cycle begins again

fast plant animation

START Fast-Plant animation | STOP Fast-Plant animation

 

prev: track our progress

 



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