*Question*
If some mammals lay their eggs in a burrow, then what lays their eggs in a burrow? Answer choices: - no mammals - all mammals - dogs - animals - honeybees - insects - some mammals - alpacas
**Answer**
some mammals

*Question*
If frogs are the most durable species of cold-blooded vertebrates and breathe with gills as larvae and lungs as adults, then what is the most durable species that breathes with gills as larvae and lungs as adults? Answer choices: - Snakes - Salamanders - edible - salmon - Oak - Frogs - Lizards - a fish
**Answer**
Frogs

*Question*
If getting old occurs as cells lose their ability to divide, then what happens as cells lose their ability to divide? Answer choices: - anemia - puberty - negative - radiation - getting old - replication - Dehydration - having a baby
**Answer**
getting old

*Question*
If flowing water can slowly dissolve carbon in limestone, then flowing water can slowly _ carbon in limestone.? Answer choices: - alter - destroy - erode - allow growth - dissolve - heat - a solute - rain
**Answer**
dissolve