If reptiles are a class of tetrapod vertebrates that lay shelled eggs, then reptiles are a class of tetrapod vertebrates that what? Answer choices: - are warm blooded - reproduce - graptolites - lay shelled eggs - major threat to health - allow growth - eat grass - live in water
lay shelled eggs

If alaser can produce rays, then what produces rays? Answer choices: - water - coral - a laser - squids - flowers - a taser - a container - cactuses
a laser

Q: If the color of leaves on oak trees usually changes in the autumn season, then which tree's leaves change color in autumn? Answer choices: - Fir - wind - Palm - blue - elms - Oak - Ficus - Aves
A: Oak

Question: If some squids are nearly microscopic, then what sea creature can sometimes be microscopic? Answer choices: - squids - a fish - fungi - tortoises - fossils - barnacles - bacteria - alpacas
Answer: squids

*Question*
If polar bears can generate heat by shivering, then what can polar bears do to generate heat? Answer choices: - make fire - eat ice - stay warm - nothing - fur - motors - shiver - sweating
**Answer**
shiver

If sunlight creates energy for plants, then what does sunlight create for plants? Answer choices: - sugar - food - entropy - sunbathing - happiness - survival - energy - growth
energy