Teenage hormones rage
Sex class for understanding
No babies too soon!
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Photosynthesis
Basic plant process for life
Still not understood.
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Now Zoology
The study of backbone ones
We are amongst them.
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Embryology
Ernst Haeckel outlined so much
Showed phylogeny.
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One's ontogeny
Outlined the other life forms
Gills to a real tail.
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Gill slits of a shark
Webbed digits--both hands and feet
We came through the past.
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Invertebrates, though
Do not have proper backbones--
Exoskeletons!
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Armadillo--shelled
Eats insects plus lots of stuff
Digs many burrows.
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Anteaters with scales
A kin to armadillos
Scaled, but not a shell.
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Both have sticky tongues
Forty thousand ants per meal
Much formic acid.
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Ornithology
Dinosaurs gave rise to birds
Oh, if I could fly.
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Pre co ci ous ones
Leave the nest in quickest time
Others sit ten days.
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Mother duck must groom
Ducklings have no py gial gland
Oil for buoyancy.
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Learn to swim so soon
Natural with web bed feet
Move fast all around.
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Some ducks dive, some don't
Those others are called dabblers
They eat from the top.
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Male Mallards--green heads
Females' brown to camouflage.
Hiding on their eggs.
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Molting part of life
New feathers come to replace--
Worn out, Flight now ceased.
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Ratites are flightless
Having large legs--useless wings
Careful of those legs!
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Ratites grazed with cows
Very good polyculture
Such modern farming!
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Ostrich eggs so large
Lone egg, largest single cell
Giraff's neck cell close.
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