Q: Q: Most tunicates live a sessile existence in shallow ocean waters and are suspension feeders. the primary foods of tunicates are plankton and this? Choices: - bacteria - crustaceans - debris - detritus A:
A: detritus

Q: Q: What occur when elements switch places in compounds? Choices: - chemical interaction - chain reaction - chemical reaction - replacement reactions A:
A: replacement reactions

Q: Q: What are the cells that break down inorganic molecules to supply energy for the cell, and use carbon dioxide as a carbon source? Choices: - staurikosaurus - fluctuations - Sediments - chemoautotrophs A:
A: chemoautotrophs

Q: Q: The fossilized skeleton of archaeopteryx looks like that of a dinosaur, but it had what structures modified for flight, a trait associated only with birds among modern animals? Choices: - fingers - claws - beaks - feathers A:
A: feathers