If land animals use lungs for life , then what organ do land animals use for life to continue.? Answer choices: - Eyes. - Gills. - Limbs - cycles - matter - Fins. - biome - Lungs
Lungs

If flowers help to feed small animals, then what would an animal use flowers for? Answer choices: - decorations - painting - nectar - smelling - Food - taste - mating - pollen
Food

Q: If saving energy reduces the resources needed to make something, then what reduces the resources needed to make something? Answer choices: - water conservation - A computer - saving energy - Pollution - electron microscope - power stations - Fuel cells - Electrical energy
A: saving energy

Question: If water is stored in the stem of the saguaro, then what is stored in the stem of the saguaro? Answer choices: - gas - water - ice - sand - fibrous - sugar - glucose - energy
Answer: water

*Question*
If decreased oxygen levels cause blood vessels to dilate and cell walls to relax, then what causes cell walls to relax? Answer choices: - exercise - sweating - adding heat - Energy - dilation - heat or cold - heat - Dehydration
**Answer**
dilation

(Q).
If soil with more oxygen is easier to cultivate, then what kind of soil is easier to cultivate? Answer choices: - looser - cactuses - Sediment - sandier - Tropical - tighter - alluvial - wetter
(A).
looser