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1.1 The study of life Read Online
Viewed from space, Earth offers no clues about the diversity of life forms that reside there. The first forms of life on Earth are thought to have been microorganisms that existed for billions of years in the ocean before plants and animals appeared. The mammals, birds, and flowers so familiar to us are all relatively recent, originating 130 to 200 million years ago. Humans have inhabited this planet for only the last 2.5 million years, and only in the last 200,000 years have humans started looking like we do today.
Chapter 43: Animal Reproduction and Development MCQ Multiple Choices Questions Quiz Test Bank
43.1 Reproduction Methods
43.2 Fertilization
43.3 Human Reproductive Anatomy and Gametogenesis
43.4 Hormonal Control of Human Reproduction
43.5 Human Pregnancy and Birth
43.6 Fertilization and Early Embryonic Development
43.7 Organogenesis and Vertebrate Formation
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Question: Sperm are produced in the ________.
Choices:
scrotum
seminal vesicles
seminiferous tubules
prostate gland
Question: External fertilization occurs in which type of environment?
Choices:
aquatic
forested
savanna
steppe
Question: Which term applies to egg development outside the female with nourishment derived from a yolk?
Choices:
oviparity
viviparity
ovoviparity
ovovoparity
Question: Which term applies to egg development within the female with nourishment derived from a yolk?
Choices:
oviparity
viviparity
ovoviparity
ovovoparity
Question: Which form of reproduction can result from damage to the original animal?
Choices:
asexual
fragmentation
budding
parthenogenesis
Question: Most of the bulk of semen is made by the ________.
Choices:
scrotum
seminal vesicles
seminiferous tubules
prostate gland
Question: Which of the following cells in spermatogenesis is diploid?
Choices:
primary spermatocyte
secondary spermatocyte
spermatid
sperm
Question: Genetically unique individuals are produced through ________.
Choices:
sexual reproduction
parthenogenesis
budding
fragmentation
Question: Which form of reproduction is thought to be best in a stable environment?
Choices:
asexual
sexual
budding
parthenogenesis
Question: Which female organ has the same embryonic origin as the penis?
Choices:
clitoris
labia majora
greater vestibular glands
vagina
Question: Which form of reproduction is useful to an animal with little mobility that reproduces sexually?
Choices:
fission
budding
parthenogenesis
hermaphroditism
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