*Question*
Q: What do tadpoles clear out of waterways? Read this paragraph and choose the correct option from the provided answers: Amphibians play important roles in many ecosystems, especially as middle players in many food chains and food webs. In addition to consuming many worms and insects and other arthropods, and even some small reptiles and mammals and fish, they are prey for turtles and snakes, as well as some fish and birds. Tadpoles keep waterways clean by feeding on algae. Choices: - pollution - oxygen - disease - algae A:
**Answer**
algae

*Question*
Q: What value of dissolved substances is higher than that of their corresponding precipitate? Read this paragraph and choose the correct option from the provided answers: Dissolved substances have a higher entropy value than their corresponding precipitate. Choices: - negentropy - binary - ordiny - entropy A:
**Answer**
entropy

*Question*
Q: Researchers have long based their hypotheses about animal phylogeny on what? Read this paragraph and choose the correct option from the provided answers: Choices: - longitudinal data - manipulative data - distinctive data - morphological data A:
**Answer**
morphological data

*Question*
Q: The high points of a transverse wave are called what? Read this paragraph and choose the correct option from the provided answers: The high points of a transverse wave are called crests, and the low points are called troughs. Choices: - ridges - valleys - points - crests A:
**Answer**
crests