- If a body of water loses all water then that body of water does not exist any more
- A pond is a kind of body of water
- So, if a pond loses all water then that pond does not exist any more

- If a pond loses all water then that pond does not exist any more
- Drought is when available water decreases in an environment
- So, a drought can cause a pond to no longer exist

- A drought can cause a pond to no longer exist
- If an animal 's habitat no longer exists then that animal will die
- So, a drought can cause animals that live in ponds to die

- Aquatic animals live in bodies of water
- A pond is a kind of body of water
- Therefore, aquatic animals live in ponds

- Aquatic animals live in ponds
- A frog is a kind of aquatic animal
- So, a frog is a kind of aquatic animal that lives in ponds

- A frog is a kind of aquatic animal that lives in ponds
- An aquatic animal is a kind of animal
- Hence, a frog is a kind of animal that lives in ponds

- A drought can cause animals that live in ponds to die
- A frog is a kind of animal that lives in ponds
- So, a drought can cause frogs to die

- Causing an animal to die has a negative effect on that animal
- A frog is a kind of animal
- Therefore, causing a frog to die has a negative effect on that frog

- A drought can cause frogs to die
- Causing a frog to die has a negative effect on that frog
- Hence, droughts have a negative effect on frogs

So, droughts have a negative effect on frogs
[Question]All the ponds in an area dried up during a drought. The population of which of the following animals that live in the area is most affected by the drought?
[Context]- An aquatic animal is a kind of animal 
- Drought is when available water decreases in an environment 
- Aquatic animals live in bodies of water 
- Causing an animal to die has a negative effect on that animal 
- If a body of water loses all water then that body of water does not exist any more 
- A pond is a kind of body of water 
- If an animal 's habitat no longer exists then that animal will die 
- A frog is a kind of animal 
- A frog is a kind of aquatic animal