Ques: If organisms like frogspawns secrete an exoskeleton that builds up to become a reef, then what is secreted by organisms like frogspawn to become a reef? Answer choices: - exocrine glands - food and shelter - exoskeleton - bones - Energy - Chemical energy - plasma - Energy.
Ans: exoskeleton

Ques: If plants respond to temperature, then what do plants respond to? Answer choices: - Energy. - heat produced - Chemical energy - sun's heat - the environment - heat energy - Sulfur dioxide - temperature
Ans: temperature

Ques: If sweating and shivering have different effects on our core temperatures, then what will make human temperatures go in a different direction from what sweating would do? Answer choices: - humidity - shivering - improve - energy usage - a blazing fire - hot air - harm them - Damages them
Ans: shivering

Ques: If aquatic animals need gills to survive, then what do aquatic animals need to survive? Answer choices: - Water - gills - food - air - fishing - desert - history - warmth
Ans:
gills