Q: Fact 1: Many consumers feed at more than one trophic level. Fact 2: Cows and sheep are examples of primary consumers. Given the two facts above, what can feed at more than one trophic level? | OPTIONS:
- sheep
- salmon
- grasses
- bats
- animals
- shrubs
- humans
- trees
A: sheep

Q: Fact 1: Cancer is a disease in which cells divide out of control. Fact 2: Chemotherapy works on cells that are dividing. Given the two facts above, what helps stop cells multiplying in cancer? | OPTIONS:
- the skin
- Honey
- sweating
- Chemotherapy
- H2O
- Chemical energy
- Titanium
- bioaerosols
A: Chemotherapy

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: Darkness has a negative impact on photosynthesis. Fact 2: Plant growth is dependent on photosynthesis. Given the two facts above, what has a negative impact on plant growth? | OPTIONS:
- Pesticides
- competition
- bees
- wind
- Darkness
- Pollution
- disease
- rain
A: Darkness