Unlike toads, tortoises
a. have amniotic eggs.
b. have lungs.
c. have true bone.
d. have jaws and paired appendages.

The correct answer is (a) have amniotic eggs.

Unlike toads, tortoise have amniotic eggs. Tortoise eggs are surrounded by four fluid filled membranes, chorion, amnion, yolk sac and allantois. Amnion is absent in toad eggs.The amnions acts a cushion for the protection of the developing embryo from the physical damage. These kinds of eggs that contain amnion is called amniotic eggs.

supercell thunderstorms are perhaps the most violent of all thunderstorm types, and are capable of producing damaging winds, large hail, and weak-to-violent tornadoes

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u