Four Journal Entries Are Presented Below

question 104

Essay

Four journal entries are presented below.Write an explanation for each entry.

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Definitions:

Oxygen-Poor

This term describes environments or situations where there is a deficiency of oxygen, often leading to anaerobic conditions.

Lateral Line System

A system of sense organs found in aquatic vertebrates, used to detect movement and vibration in the surrounding water.

Bony Skeletons

Bony skeletons are composed of bones, providing structural support and protection to the body of vertebrate animals.

Jawless Scavengers

Aquatic organisms, such as hagfish, that lack jaws and feed on dead or dying fish, playing a vital role in the ocean's ecosystem by recycling nutrients.