Q: What kind of mouthparts do aphids have? Choices: - chewing mouthparts - sponging mouthparts - siphoning mouthparts - piercing-sucking mouthparts A:
piercing-sucking mouthparts

(Question)
Q: What produces hormones referred to as thymosins, which contribute to the development of the immune response in infants? Choices: - pancreas - heart - receptors - thymus A:
(Answer)
thymus

Ques: Q: Chemical and solar cells are devices that change chemical or light energy to what? Choices: - cellular - occurring energy - temperature energy - electrical energy A:
Ans: electrical energy

(Q).
Q: Temperature can affect what attribute of a siamese cat's coat? Choices: - weight - chemical makeup - density - color A:
(A).
color

Ques:Q: While the chromosome is replicating, the cell does what? Choices: - propagates - shrinks - diffuses - elongates A:

Ans:elongates

Ques:Q: Organisms incapable of photosynthesis that must therefore obtain energy and carbon from food by consuming other organisms are called what? Choices: - photoautotrophs - autotrophs - chemoautotrophs - heterotrophs A:

Ans:
heterotrophs