Q: If coral polyps form reefs, then what do coral polyps form? Answer choices: - lagoon - graptolites - a cuticle - barnacles - bioaerosols - cave - coral reef - salt and water.
A: coral reef

Q: If animals cannot see infrared light, then what light can animals not see? Answer choices: - Sand dollars - electricity - motion - sun's heat - photons - our star - heat - infrared
A: infrared

Q: If birds evolved from dromaeosaurs, then what did birds evolve from? Answer choices: - chickens - insects - fur and fat - dromaeosaurs - beaks - feathers - animals - warm-blooded
A: dromaeosaurs

Q: If cells are the basic units of the structure and function of an organism, then what are cells the basic units of the structure and function of? Answer choices: - humans - Most plants - animals - Cell service - Organisms - mammals - Lego cells - Buildings
A: Organisms