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Killer whales, also called ____, are black with white undersides.
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koalas
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Female ____ transfer eggs into the brood pouches of males.
|
lizards
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Female kangaroos and ____ carry their young in a pouch.
|
locusts
|
|
Cicadas are true bugs, whereas ____ are grasshoppers.
|
orcas
|
|
Chameleons, geckos, and iguanas are types of ____.
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ostriches
|
|
Arctic ____ have the longest migration journeys.
|
ravens
|
|
Crows caw, whereas ____ are larger and make croaking sounds.
|
seahorses
|
|
Penguins, emus, rheas, kiwis, and ____ are flightless birds.
|
terns
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