Question

directions match each term in column a with its meaning in column b. write the correct letter on the line.
column a

1. mitosis
2. vagina
3. embryo
4. testosterone
5. nymph
6. pregnancy

column b
a a young insect that looks like the adult
b an early stage in the development of an organism
c the process that results in two cells identical to the parent cell
d the tube - like canal in the female body through which sperm enter the body
e male sex hormone
f the development of a fertilized egg into a baby in a females body
directions write a sentence for each pair of words.

1. umbilical cord and placenta
2. internal fertilization and external fertilization
3. estrogen and progesterone
4. prostate gland and semen

Explanation:

1. Mitosis is a cell - division process that results in two identical daughter cells, so it matches C.
2. The vagina is the tube - like canal in the female body through which sperm enter, so it matches D.
3. An embryo is an early stage in the development of an organism, so it matches B.
4. Testosterone is a male sex hormone, so it matches E.
5. A nymph is a young insect that looks like the adult, so it matches A.
6. Pregnancy is the development of a fertilized egg into a baby in a female's body, so it matches F.

For sentence - writing:

1. The umbilical cord connects the fetus to the placenta, which provides nutrients and oxygen to the fetus.
2. Internal fertilization occurs inside the female body, while external fertilization occurs outside, like in many fish species.
3. Estrogen and progesterone are important female sex hormones that regulate the menstrual cycle.
4. The prostate gland contributes fluid to semen, which helps in the transportation and nourishment of sperm.

Answer:

1. C
2. D
3. B
4. E
5. A
6. F
7. The umbilical cord connects the fetus to the placenta, which provides nutrients and oxygen to the fetus.
8. Internal fertilization occurs inside the female body, while external fertilization occurs outside, like in many fish species.
9. Estrogen and progesterone are important female sex hormones that regulate the menstrual cycle.
10. The prostate gland contributes fluid to semen, which helps in the transportation and nourishment of sperm.