(Question)
You are presented with the question "what can be used for keeping warm?" and the following answer choices: - wings - fur - lipids - hats - hair - Limbs - snow - fibers Now knowing that insulated material can be used for keeping warm and snow is an excellent insulating material, choose the best answer.
(Answer)
snow

(Question)
You are presented with the question "What are endothermic vertebrates with legs?" and the following answer choices: - Birds - mammals - Snakes - ducks - Lizards - ants - long - toads Now knowing that birds are endothermic tetrapod vertebrates and legs define Tetrapods, choose the best answer.
(Answer)
Birds

(Question)
You are presented with the question "What might plants grow towards?" and the following answer choices: - cold - love - fun - Solar energy - electricity - our nearest star - the sun - sunlight Now knowing that plants exhibit phototropism, or growing toward a light source and electricity can produce light and heat, choose the best answer.
(Answer)
electricity