Q: If clams have a circulatory system with one or two hearts that pump blood, then what have a circulatory system with one or two hearts that pump blood? Answer choices: - a fish - aorta - bacteria - animals - clams - plants - sharks - Birds
A: clams

Q: If lilies continue to grow throughout their lives, then what continues to grow throughout their lives? Answer choices: - potatoes - Hemoglobin - tortoises - plastic roses. - Human teeth. - Lilies. - Silk daisies. - vegetation
A: Lilies.

Q: If metal can make objects heat up well, then what can make objects heat up well? Answer choices: - wool - metal - paper - rubber - the sun - a prism - Light - energy
A: metal

Q: If prairie dogs are protected from a wild fire, then what are prairie dogs protected from? Answer choices: - colder weather - deforestation - sun's heat - disease - threatened - a wild fire - A virus - cold air
A: a wild fire