Fact 1: Mammals generate heat mainly by keeping their metabolic rate high. Fact 2: Aerobic exercise also contributes to the increased the metabolic rate. Given the two facts above, answer the question "Mammals can generate heat by" with the following options: - hibernation - layers of fat - perspiration - aerobic exercise - respiration - exercise - with their fur - to stay warm
aerobic exercise

(Question)
Fact 1: Balance is the ability to sense and maintain body position. Fact 2: Motion sickness is related to our sense of balance. Given the two facts above, answer the question "What is motion sickness related to?" with the following options: - smell - sight - balance - heat - body - disease - athletes - humans
(Answer)
balance

Ques: Fact 1: Some insects can use their antennae to detect sound. Fact 2: Ants and butterflies have antennae. Given the two facts above, answer the question "what can detect sound?" with the following options: - a fish - Firecrackers - A computer - Electric devices - butterflies - electricity - humans - insects
Ans: butterflies

(Q).
Fact 1: Conserving water can be used for survival in a dry environment. Fact 2: Many cacti have corrugated stems which can expand quickly if water becomes available. Given the two facts above, answer the question "What feature of many cacti help them survive in dry environments?" with the following options: - exoskeleton - Spines for hunting - Expandable stems - an external framework - cactuses - Cooling pipes - genetic diversity - Loud organ pipes
(A).
Expandable stems

Ques:Fact 1: Ants communicate with chemicals called pheromones. Fact 2: Pheromones are insect hormones. Given the two facts above, answer the question "How do ants communicate?" with the following options: - With their voice - Chemical energy - mechanical waves - With their eyes - during the day - With their movements - With their hormones - electrically

Ans:With their hormones

Fact 1: Some viruses have an envelope of phospholipids and proteins. Fact 2: Viruses are strange life forms. Given the two facts above, answer the question "Some strange life forms have an envelope of what?" with the following options: - Chemical energy - biological diversity - Something coming from a gland - layers of fat - characteristics - phospholipids and proteins - Positive charges - visible energy
phospholipids and proteins