Q: If feathers help animals in the class Aves fly and give them insulation, then feathers help what kind of animals fly and provide insulation? Answer choices: - preventing heat transfer - dragons - passenger pigeons - butterflies - animals in the class Aves - airplanes - it protects them - retaining heat
A: animals in the class Aves

Q: If prokaryotes can make proteins, then what can make proteins? Answer choices: - animal transport - volume - prokaryotes - heating liquids - Cooking - h2o - density - animals
A: prokaryotes

Q: If aprotein contributes to meat toughness, then what can a certain protein affect in meat? Answer choices: - health - piousness - stamina - retina - toughness - liveliness - saltiness - Energy
A: toughness

Q: If cell walls relax and increase the flow of blood, then cell walls relax and increase the flow of what? Answer choices: - heat - sugar - saliva - blood - oxygen - Air - semen - water
A: blood