Post on 12-Sep-2021
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Gift
Sto
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Seal
s & S
ea Li
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Blue
Ca
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Sea O
tter
Ray
Pool
Trop
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Seal
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Shar
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Baby AnimalsThere are many different ways for animals to
reproduce or have babies. Mammals take care of
their young, while some sharks lay eggs and never
see their babies. There are babies that look like
their moms and others that look very different.
Explore the Aquarium’s young animals and
discover some of these different life cycles.
Leve
l 1
Leve
l 2
Shar
k Lag
oon
Lorik
eet F
ores
t
Shar
k Bab
ies
Jelli
es
Otte
r Foo
d
Egg
Case
s
Seah
orse
s
Sea D
rago
ns
2nd GRADE
aquariumofpacific.org 100 Aquarium Way, Long Beach, CA 90802
•Touchashark•Seeashow•VisitaDiscoveryLab•Askquestions•Havefun!
Things to do
…at the Aquarium
•WriteordrawaboutyourtriptotheAquarium•Consideraclassroomanimaladoption•Visit aquariumofpacific.org/teachers•Keeplearningmore
…back at school
LeBurta Atherton Foundation
With generous support from:
CHAPERONE
GUIDEF I E L D T R I P
Chaperones:Use this guide to move your group through the
Aquarium’s galleries. The background information, guided questions, and activities will keep your
students engaged and actively learning.
This
map
show
s the
loca
tions
of
exhib
its w
here
you c
an
see b
aby a
nimals
thro
ugho
ut
the A
quar
ium.
Whe
re a
re th
ey?
Exhi
bit K
ey:
Mr.
Mom
— Se
a Dra
gons
, Sea
Hor
ses
Egg
Case
s — Sh
ark L
agoo
n, Sh
ark B
abies
, Egg
Cas
esPl
ankt
on —
Jellie
s, Ot
ter F
ood,
Disc
over
y Lab
Nest
s — Lo
rikee
t For
est
Jelli
es
DiscoveryLab
Whilesomesharksgivelivebirth,manybottom-dwellingsharkslayeggs.Thesharkembryofeedsofftheyolkwhileitdevelopsinsidetheeggcase.Thesecasesarecalledmermaid’spurses.AttheAquarium,wedisplayeggcasesbyremovingasmallpieceoftheoutsidetoshowthesharkdevelopingontheinside.
Guiding questions:Do all sharks lay eggs?Many egg-laying sharks are bottom dwellers. Why?Where are the eggs found?
Activities for students:Go to Shark Lagoon and look for eggs in the water. Ask a staff member to let you feel an egg case. What does it feel like?
Manyinvertebratesbeginlifelookingdrasticallydifferentthantheadultanimalsthatliveinthetidepools.Manystartlifeasmicroscopicdrifterscalledplankton.Bydriftinginthewater,theyounganimalsareabletodisperseorspreadoutinthewater.Canyourecognizeanyantennae,eyes,orotherbodypartsintheanimaldrifters,orzooplankton?
Guiding questions:Jellies are drifters too. What happens to jellies, and other plankton, when the water moves?Did you see any animals at the Aquarium that started out as plankton? (Hint: Many invertebrates start as drifters.)
Activities for students:Share the plankton images below with students. What do you see?
We’vehadmanylorikeetshatchrighthereattheAquarium.Whentheeggsarediscoveredinthenest,theyaretakenbehindthescenestodevelop.Eggsareincubatedforapproximately25daysbeforetheyhatch.Bothparentsandthebabystayoffexhibituntilthenewlorikeetisoldenoughtoliveintheaviary.Ifyouseeabirdwithanorangeringonitsleg,you’vefoundabirdthatwashatchedhereattheAquarium!
Guiding questions:Why do you think the eggs are removed from the exhibit?What other Aquarium animals lay eggs?
Activities for students:How many lorikeet nests can you find in the aviary? They may be in boxes or hiding under a rock.
Seahorse babies Shark babies Drifting babies Lorikeet babies
Seahorsesusetheirprehensile
tails to hold onto algaeandeach
other.
Bamboosharksdevelopinsidethe eggcaseforabout fourmonths.Male sea
dragonscarryeggs on their
tails,ratherthaninapouch.
Hornsharkslaycorkscrewshapedeggsinbetweenrocks
inthekelpforests.
Whentheyarefirsthatched,lorikeetbabiesmaybefedbyAquariumstaff.
Intheir naturalhabitat,
lorikeetbabiesfirstleavethenestafterseventoeightweeks.
Weusuallythinkofthemomastheonewhogivesbirthtothebabies.However,intheseahorseworld,themaleorthedadistheoneresponsibleforholdingontotheeggsforthesixtoeightweeksbeforethebabiesarereadytohatch.Whentheyareready,about 200babiesarereleasedintothewater.
Guiding questions:Are baby seahorses good swimmers? How do seahorses keep from drifting in the water?
Activities for students:Carefully observe the baby seahorses on exhibit. What do you see? What are they doing?
Meroplanktonaredriftersthatonlyspendpartoftheirlifeasplankton.
Theseplanktoncandevelopinto
eitheraseastar,seacucumber,orurchin.