Examlex
During ________, a cell of the testes in men or ovaries in women duplicates its chromosomes and then divides twice, thus forming four cells, each of which has only half the genetic material of the parent cell.
Toxic Metal Emissions
The release of harmful metal substances into the environment, often as a byproduct of industrial processes, which can pose health risks to humans and ecosystems.
Elytra
The hardened forewings of beetles and some other insects, which serve as a protective shield for the fragile hind wings used in flight.
Coleoptera
An order of insects that includes beetles and weevils, characterized by hard wing cases and a chewing mouthpart, representing the largest order of insects.
Insecta
The class within the phylum Arthropoda that includes insects, characterized by a three-part body, compound eyes, and one pair of antennae.
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