There Are About 2,000 Earthquakes of Magnitude 8 or Higher

question 5

True/False

There are about 2,000 earthquakes of magnitude 8 or higher every year; fortunately most of them occur in unpopulated areas.

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Definitions:

Circular DNA

DNA that forms a closed-loop structure, found in bacteria, mitochondria, and chloroplasts, distinct from the linear DNA of most eukaryotes.

Gymnosperms

A group of seed-producing plants that includes conifers, cycads, Ginkgo, and gnetophytes, notable for not having flowers or fruit.

Wingless Insects

Insects that lack wings at all stages of their life cycle, adapted for different modes of life than their winged counterparts.

Fish With Jaws

Refers to gnathostomes, which are vertebrates that possess true jaws, a significant evolutionary feature allowing them to exploit a wider variety of food sources.