*Question*
Read the passage below and choose the right answer to the following question (choices are less or more ):  Many observatories are built on high mountains. There is less air above the telescope, so there is less interference from the atmosphere.   Carter travels to the mountain and looks through a telescope. There is very little interference from the atmosphere, so Carter knows that above the telescope, there is less or more air compared to sea level?
**Answer**
less

*Question*
Read the passage below and choose the right answer to the following question (choices are smaller skeleton or larger skeleton ):  The larger the animal, the heavier the exoskeleton, making movement more difficult.   When an animal is smaller it needs to have a smaller skeleton or larger skeleton?
**Answer**
smaller skeleton

*Question*
Read the passage below and choose the right answer to the following question (choices are more offspring or less offspring ):  Genotypes with greater fitness produce more offspring and pass more copies of their alleles to the next generation.   If a dog is extremely fit and healthy breeders will want it to have more offspring or less offspring?
**Answer**
more offspring

*Question*
Read the passage below and choose the right answer to the following question (choices are Greater or Lesser ):  Machines make work easier by increasing the amount of force that is applied, increasing the distance over which the force is applied, or changing the direction in which the force is applied.   John observed that machines are not very helpful in performing work because they decrease the amount of force, and also make the distance the force is applied Greater or Lesser?
**Answer**
Lesser