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Concepts of Biology

Review Questions

Concepts of BiologyReview Questions
3.

In which group is parthenogenesis a normal event?

  1. chickens
  2. bees
  3. rabbits
  4. sea stars
4.

Genetically unique individuals are produced through ________.

  1. sexual reproduction
  2. parthenogenesis
  3. budding
  4. fragmentation
5.

External fertilization occurs in which type of environment?

  1. aquatic
  2. forested
  3. savanna
  4. steppe
6.

The process of gastrulation forms the _______.

  1. blastula
  2. zygote
  3. organs
  4. germ layers
7.

Which of the following gives rise to the skin cells?

  1. ectoderm
  2. endoderm
  3. mesoderm
  4. none of the above
8.

Sperm are produced in the ________.

  1. scrotum
  2. seminal vesicles
  3. seminiferous tubules
  4. prostate gland
9.

Which organ has an endometrial lining that will support a developing baby?

  1. labia minora
  2. breast
  3. ovaries
  4. uterus
10.

Which hormone causes FSH and LH to be released?

  1. testosterone
  2. estrogen
  3. GnRH
  4. progesterone
11.

Nutrient and waste requirements for the developing fetus are handled during the first few weeks by ________.

  1. the placenta
  2. diffusion through the endometrium
  3. the chorion
  4. the blastocyst
12.

Which hormone is primarily responsible for the contractions during labor?

  1. oxytocin
  2. estrogen
  3. β-HCG
  4. progesterone
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