Fact 1: Specialization occurs when competing species evolve different adaptations. Fact 2: Beaks show a lot of variation and specialization for different functions. Given the two facts above, what is the reason beak variation came about in birds?

OPTIONS:
- By wind and rain
- Attracting mates
- It helps them survive
- the Earth being tilted
- Competing species evolving
- it keeps an organism warm
- To assist in flying
- Warding off predators

Answer: Competing species evolving

Fact 1: Clouds are formed by water vapor rising into colder regions of the atmosphere and condensing. Fact 2: Steam is water vapor produced by evaporation. Given the two facts above, clouds are formed by what going to colder regions?

OPTIONS:
- Movement of an air mass
- Something that evaporated
- Something that melted
- cloudy and rainy weather
- Something that stayed the same
- Something that froze
- precipitation
- air mass over Earth's surface

Answer: Something that evaporated

Fact 1: Scraping oneself on a contaminated object may cause infection. Fact 2: Any infection can cause death. Given the two facts above, what can scraping onself cause?

OPTIONS:
- happiness
- disease
- swea
- pleasure
- Injury
- death
- reproduction
- erosion

Answer: death

Fact 1: Heavy rains cause flooding. Fact 2: Floods can destroy property and kill people. Given the two facts above, what can heavy rain do?

OPTIONS:
- to move people
- Cause thirst
- decrease stamina
- killing insects
- Kill people
- erosion
- Cause dryness
- Cause drought

Answer:
Kill people