Ques: Shivering occurs when many muscles contract a little bit all at once, and almost all birds use shivering as a short term adjustment to the cold. Given these facts, what can contract a little bit all at once as a short term adjustment to the cold among the following options: - that metal - muscles - Weight - stomach - mammals - atoms - ligaments - sweating
Ans: muscles

Ques: Chloroplasts contain the green pigment chlorophyll, and animals lack chloroplasts. Given these facts, what do animals lack among the following options: - skin - blood - sensory neurons - fur and fat - Bodily water - oxygen - chlorophyll - Chemical energy
Ans: chlorophyll

Ques: Gene flow occurs when individuals move into or out of a population, and community health focuses on the health of populations or groups. Given these facts, individuals who move into or out of a community increase: among the following options: - homogeneity - energy usage - power - monoculture - competition - adding heat - population - gene flow
Ans: gene flow

Ques: Mammals conserve body heat with their hair or fur, and all humans are mammals. Given these facts, what conserves body heat with their hair among the following options: - cats - bears - h2o - clouds - goats - humans - dogs - trees
Ans:
humans