Which causes a drop in female hormone levels?

the onset of the menstrual flow

if an egg is released from the ovary

if the uterine wall thickens

if the egg is not fertilized

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What is another term for the responding variable? A. Primary variable B. dependent variable C. independent variable D. uncontrolled variable

When bones stop growing in length. what is left?

Which tissue type, found between the ends of ribs and the bones of the sternum, provides stiff but somewhat flexible support?

In order for biological evolution to occur, the environment would have to change drastically.

The work of which scientist caused controversy that still exists today

How to use passive transport in a sentence

The greenhouse effect is related to the increase in average surface temperatures known as

Which of the following is true about spring tides but is not true about neap tides? they must occur during a new moon in spring they occur during the moon's first quarter and third quarter phases they only occur during a full moon they can occur

Animal cells are bathed in an isotonic fluid, and plant and bacteria cells have a cell wall. What does this protect the cell membrane from?

Explain why latin is the basic for many scientific names