Q: What harmful light does ozone reduce in the upper atmospheres? Choices: - infrared light - visible light - specific light - ultraviolet light A:
ultraviolet light

Q: Many protists form what kind of beneficial association with other species? Choices: - Facultative - evolved - Opportunistic - symbiotic A:
symbiotic

Q: Q: Some mutations lead to new versions of proteins that help organisms adapt to changes in their environment and are essential for evolution to occur. what are these mutations known as? Choices: - superficial mutations - evolutionary mutations - provisional mutations - beneficial mutations A:
A: beneficial mutations

Question: Q: What type of tissue transports water and minerals in a vascular plant? Choices: - collagen - capillaries - chlorophyll - xylem A:
Answer: xylem

*Question*
Q: Explosive eruptions associated with what can be tens of thousands of times as powerful as an atomic bomb? Choices: - forest fires - hurricanes - earthquakes - volcanoes A:
**Answer**
volcanoes

(Question)
Q: Scientists did not actually see viruses until what was invented? Choices: - magnifying glass - electronic scale - telescope - electron microscope A:
(Answer)
electron microscope