Q: The flow of water through the sponge is unidirectional, driven by the beating of what? Choices: - antennae - cilia - fin - flagella A:
flagella

Q: What do you call egg-shaped galaxies, which are reddish to yellowish in color because they contain mostly old stars? Choices: - conical galaxies - irregular galaxies - spiral galaxies - elliptical galaxies A:
elliptical galaxies

Q: Q: One species benefits while the host species is harmed in what type of relationship? Choices: - amensalism - fungal - mutualism - parasitism A:
A: parasitism

Question: Q: A tadpole turns into what land mammal? Choices: - a morph - A tortoise. - a pod - a frog A:
Answer: a frog

*Question*
Q: What part of the cell helps it keep its shape? Choices: - nucleus - cytoplasm - enzymes - cytoskeleton A:
**Answer**
cytoskeleton

*Question*
Q: Photoautotrophs including (a) plants, (b) algae, and (c) cyanobacteria synthesize their organic compounds via photosynthesis using sunlight as this? Choices: - light source4 - heating source - fuel source - energy source A:
**Answer**
energy source