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A Major Environmental Problem in the Twenty-First Century Is the Concentration

question 11

Essay

A major environmental problem in the twenty-first century is the concentration of plastic trash in the worlds' oceans, including the Great Pacific Garbage Patch.Explain how these masses of pollution concentrate and remain in the central regions of oceans.


Definitions:

Prometaphase

Stage of mitosis during which spindle microtubules attach to kinetochores of chromosomes, which begin to move toward the cell’s midplane; occurs after prophase and before metaphase.

Oogenesis

Production of female gametes (eggs) by meiosis. Compare with spermatogenesis.

Male Gametes

Reproductive cells produced by male organisms that fuse with female gametes during fertilization to form a zygote.

Egg Cell

The female reproductive cell or gamete involved in sexual reproduction, capable of developing into a new organism upon fertilization.

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