Bilateral Symmetry

question 191

Multiple Choice

Bilateral symmetry

• A) is common in ctenophores.
• B) is correlated with cephalization.
• C) is a characteristic of animals that move in multiple directions.
• D) means that two halves of an organism are identical.
• E) is characteristic of placozoans.

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Definitions:

Zygote Splits

The process through which a zygote (fertilized egg) divides, leading to the development of twins in the case of complete division into two separate entities.

Fallopian Tube

A pair of tubes along which eggs travel from the ovaries to the uterus in the female reproductive system, playing a key role in fertilization.

Artificial Insemination

A means of conception in which sperm are injected into the vagina by a means other than sexual intercourse.

Ovulation

The phase in a female's menstrual cycle when a mature egg is released from the ovary into the fallopian tube for potential fertilization.