Q: Fact 1: Air pollution harms the respiratory and circulatory systems. Fact 2: Smoking is a form of air pollution. Given the two facts above, what harms the respiratory and circulatory systems? | OPTIONS:
- Cars
- oxygen
- smoking
- vehicles
- emissions
- gasoline
- fresh air
- lungs
A: smoking

Q: Fact 1: Echinoderms lack respiratory and excretory systems. Fact 2: All echinoderms are marine and benthic. Given the two facts above, what creatures lack respiratory and excretory systems? | OPTIONS:
- Plant growth is reduced
- marine and benthic
- barnacles
- epidermis and dermis
- They may not survive.
- kalenchoes
- graptolites
- movement of tectonic plates
A: marine and benthic

Q: Fact 1: Oxygen is just one substance transported by the blood. Fact 2: Contraction of a muscle produces heat which is transported to other parts of the body by the blood. Given the two facts above, what is transported to other parts of the body? | OPTIONS:
- Organic compounds
- ice
- oxygen and heat
- vital organs
- heat energy
- Veins and arteries.
- electromagnetic energy
- cat hair
A: oxygen and heat

Q: Fact 1: Secondary meristem is located within and around the vascular tissues. Fact 2: Secondary growth occurs in the lateral meristems. Given the two facts above, the area where what growth occurs is located within and around the vascular tissues? | OPTIONS:
- shrub beds
- Conifers
- homogenous
- secondary
- Plants growth
- ferns
- roots
- Most plants
A: secondary