Fat is used to keep animals warm, and humans are a new type of animal. Given these facts, what uses fat to keep warm among the following options: - Lobsters - bacon - humans - pigeons - insects - omnivores - plants - bears
humans

(Question)
An animal requires energy to move, and when an animal moves, it burns energy. Given these facts, what allows for movement in animals among the following options: - the digestive system - an external framework - energizing crystals - Veins and arteries. - spinning wheels - burning energy - arteries - changing tires
(Answer)
burning energy

Ques: Gases released during the use of fossil fuels causes global warming, and advantages Geothermal energy can be used instead of fossil fuels to produce electricity. Given these facts, which of the following can help reduce global warming among the following options: - Lowering gas mileage in cars - reducing public transportation - evaporative cooling - reusing materials - Electrical energy - biological diversity - Burning biofuels - Adoption of geothermal energy
Ans: Adoption of geothermal energy

(Q).
Cross-pollination increases genetic diversity, and evolution requires genetic diversity. Given these facts, what does evolution require among the following options: - Time and energy - Plant reproduction - cross-pollination - Reproduction - gene flow - coded genes - circulatory systems - animals with backbones
(A).
cross-pollination

Ques:If an object in a fluid is more dense than that fluid then that object will sink in that fluid because of gravity, and oil is less dense than water. Given these facts, why does water sink in oil among the following options: - gravity - flooding - salinity - sun's heat - explosion - water vapor - combustion - erosion

Ans:gravity

Question: Bird beaks are generally adapted for the food they eat, and an adaptation is an inherited variation that helps an organism to survive. Given these facts, what are inherited among the following options: - stones - anemia - four limbs - colors - Bird beaks - magic - the eyes - dirt
Answer:
Bird beaks