Double Fertilization Occurs When

question 30

Multiple Choice

Double fertilization occurs when

• A)the sperm and tube nuclei fertilize the egg.
• B)two sperm cells fertilize the two polar nuclei.
• C)one sperm fuses with the egg and the other sperm fuses with both polar nuclei.
• D)the polar nuclei fuse with the egg after it has fused with the sperm.

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Definitions:

Synclines

Geological folds that dip towards each other from opposite sides, often forming a trough-like structure.

Joints

Natural fractures or separations in rocks that occur without the rock moving apart.

Normal Faults

A type of fault where the hanging wall moves down relative to the footwall due to tensile (pulling apart) stress in the Earth's crust.

Oblique-Slip Faults

Faults that exhibit both vertical (dip-slip) and lateral (strike-slip) movement, combining features of normal, reverse, and transform faults.