Q: What is the name for spherical groups of old stars held tightly together by gravity? Choices: - nebula - elliptical clusters - dark matter - globular clusters A:
globular clusters
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Q: How do seed plants benefit from herbivores? Choices: - radiation of seeds - consumption of seeds - rainfall of seeds - dispersal of seeds A:
dispersal of seeds
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Q: What is a measurement of the amount of variation of the species in a given area called? Choices: - ecosystem - population - degradation - biodiversity A:
biodiversity
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Q: What happens to charges whenever they are accelerated? Choices: - they fuse - they darken - they die - they radiate A:
they radiate
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