The mammal group of egg layers are known as monotremes. The platypus and the echidna are both monotremes.
Germ layers.
a mammal
Otariidae
Another name for Group 17 (VIIA) Elements is Halogens.
no. it's a bird. another name for it is an arctic tern
A Syncline
Another name for geological seams is geological strata or rock layers.
A gnu. Another name for a gnu is a wildebeest, which is a type of antelope.
A blaubok is another term for the bluebuck - an extinct mammal, Latin name Hippotragus leucophaeus.
group 16 (apex)
group 18
The visceral pericardium is the outer sac that surrounds the heart. Another name for the visceral pericardium is the endocardium.