Question: You are presented with the quiz "what has a positive impact on plants" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "seed dispersal has a positive impact on a plant" and "seed dispersal is usually by birds". So, what's the best answer to the question?
OPTIONS:
- global warming
- lack of sunlight
- birds
- sugar
- warmth
- Oak
- growth
- carbon monoxide
Answer: birds

Question: You are presented with the quiz "Water moving sediment downstream can form" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "asandbar is formed by water moving sediment downstream" and "numerous sandbars and abundant woody debris provide valuable habitat for aquatic species". So, what's the best answer to the question?
OPTIONS:
- fissures of hot, acidic water
- taiga
- underground systems
- habitats for aquatic species
- swamp vegetation
- hurricanes
- volcanoes
- basic building blocks of life
Answer: habitats for aquatic species

Question: You are presented with the quiz "what can the offspring of two living things have when crossed with each other?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "crossing two living things with recessive traits causes their offspring to have that recessive trait" and "attached ear lobes is a recessive trait". So, what's the best answer to the question?
OPTIONS:
- attached ear lobes
- coded genes
- genetic material
- colors of the spectrum
- fur and fat
- food and shelter
- haploid plants
- genetic diversity
Answer:
attached ear lobes