Echidnas Are Spiny Animals Named After a Character in Greek

question 31

Multiple Choice

Echidnas are spiny animals named after a character in Greek mythology who was half woman and half snake and perceived to have characteristics of both.Echidnas are covered in coarse hair or spines,they lay eggs,and the poorly developed young quickly attach to the mother's mammary glands after they hatch.Echidnas are

• A) marsupials.
• B) monotremes.
• C) hominins.
• D) eutherians.

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Definitions:

Conception

The process of becoming pregnant involving the fertilization of an egg by a sperm, or the formation of an original idea or plan.

Fetus

A developing mammal or human after the embryonic stage and before birth, during which significant growth and organ development occur.

Womb

The organ in female mammals, including humans, where offspring are conceived and in which they gestate before birth; also known as the uterus.

Heterozygous Pair

A pair of genes where one is dominant and the other is recessive, leading to a combination of traits in an organism.