(Question)
Q: What are the specialized cells of sponges called? Choices: - plant cells - helper cells - t cells - collar cells A:
(Answer)
collar cells

(Question)
Q: What kind of lines does a diffraction grating produce? Choices: - nearly spaced lines - properly spaced lines - randomly spaced lines - evenly spaced lines A:
(Answer)
evenly spaced lines

(Question)
Q: What type of animal that eats only or mainly insects? Choices: - anaerobic - invertebrates - herbivores - heterotrophic A:
(Answer)
heterotrophic