Weird egg-laying mammals as soon as dominated Australia—then misplaced their tooth – Vitality Inexperienced

Weird egg-laying mammals as soon as dominated Australia—then misplaced their tooth
 – Vitality Inexperienced

Enlarge / The echidna, an egg-laying mammal, would not develop tooth. Outliers amongst mammals, monotremes lay eggs as a substitute of giving delivery to dwell younger. Solely two sorts of monotremes, the platypus and echidnastill exist, however extra monotreme species had been round about 100 million years in the past. A few of them would … Read more

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