Q: Fact 1: Echinoderms lack respiratory and excretory systems. Fact 2: All echinoderms are deuterostomes . Given the two facts above, what lack respiratory and excretory systems? | OPTIONS:
- deuterostomes
- barnacles
- cigarettes
- graptolites
- fish
- humans
- kalenchoes
- birds
A: deuterostomes

Q: Fact 1: Algae have varied life cycles. Fact 2: Life Cycles Of Organisms Reproduction is a characteristic of all living systems. Given the two facts above, what are algae capable of? | OPTIONS:
- reproduction
- rating
- running
- Energy
- walking
- rapid expansion
- water conservation
- movement
A: reproduction

Q: Fact 1: Conserving water can be used for survival in a dry environment. Fact 2: Plants survive with the help of water. Given the two facts above, what do plants conserve? | OPTIONS:
- energy
- sodium
- oxygen
- protein
- air
- nitrogen
- water
- plasma
A: water

Q: Fact 1: Introns are regions that do not code for proteins. Fact 2: An area is a rectangular region of cells. Given the two facts above, introns are areas that? | OPTIONS:
- it keeps an organism warm
- Plant reproduction
- the wearing away of rock
- do not code for protein
- Something coming from a gland
- Plant growth is reduced
- allow growth
- produce offspring
A: do not code for protein