The First Scientific Use of the Echo Sounder to Measure

question 10

True/False

The first scientific use of the echo sounder to measure ocean depths occurred during the <i>Meteor</i> expedition in the 1920s.

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Definitions:

Filament

A slender, thread-like structure, often part of a larger structure in both biological organisms and man-made materials.

Apical Meristems

Regions located at the tips of roots and shoots in plants, responsible for primary growth and elongation.

Plant Cells

The basic structural and functional units of plants, characterized by a cell wall, chloroplasts for photosynthesis, and a large central vacuole.

Hormones

Chemical substances produced in the body that regulate and control the activity of certain cells or organs, playing key roles in processes like growth, metabolism, and reproduction.