Mollusks are invertebrates such as the common snail, and gastropods are snails and slugs. Given these facts, what are invertebrates such as gastropods among the following options: - insects - watermelon - squids - barnacles - mollusks - graptolites - food - starfish
mollusks

Testosterone stimulates the reproductive organs to develop into male organs, and testicles are male reproductive organs. Given these facts, what stimulates the reproductive organs to develop testicles among the following options: - sperm - mechanical - barnacles - the penis - the moon - testosterone - Chemical energy - competition
testosterone

Q: If heat is conducted to an object then that object will become hot, and metals conduct heat well. Given these facts, metals become what readily among the following options: - acid - evaporated - fats - zinc - penetrated - hot - permeable - rust
A: hot

Question: Boiling is when liquids are heated above their boiling point, and boiling is the conversion of a liquid to a gas. Given these facts, what converts liquid to gas among the following options: - Stirring it - Fuel cells - circulatory systems - Cooling it down - Introducing oxygen - Heating it up - Evaporation - water vapor
Answer: Heating it up

*Question*
Reptiles are a class of tetrapod vertebrates that produce amniotic eggs, and crocodiles, snakes, and lizards are all types of reptiles. Given these facts, what is an example of a tetrapod vertebrate among the following options: - genus - Leeuwenhoek - a fish - crocodile - animals - four limbs - warm-blooded - graptolites
**Answer**
crocodile

(Question)
Heterotrophs get food by eating other living things, and all animals are heterotrophic. Given these facts, what gets food by eating other living things among the following options: - humans - a fish - people - fungi - clouds - animals - all plants - h2o
(Answer)
animals