You are presented with the quiz "population size influences the chances of what surviving?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "population size influences the chances of a species surviving" and "flowers Includes All Plant Species". So, what's the best answer to the question?
OPTIONS:
- density
- volume
- flowers
- animals
- crocodiles
- ducks
- plants
- oxygen

Answer: flowers

You are presented with the quiz "What are killer whales?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "marine species live mainly in shallow coastal waters" and "killer whales prefer shallow and colder coastal waters". So, what's the best answer to the question?
OPTIONS:
- red and black
- They have thick fur
- dangerous
- sharks
- deep sea creatures
- marine species
- Absorb light
- animals

Answer: marine species

You are presented with the quiz "amphibians are the first true what with four limbs?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "amphibians are the first true tetrapods, or vertebrates with four limbs" and "animals with backbones are called vertebrates". So, what's the best answer to the question?
OPTIONS:
- members of their own species
- to move people
- warm-blooded
- Due to their feet
- animals with backbones
- remains of prehistoric life
- Something to move
- Generating heat

Answer:
animals with backbones