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Zoology 111 > Reproduction & Development > Flashcards

Reproduction & Development Flashcards

1
Q

Reproduction without the combination of gametes is called ______

A

Asexual Reproduction

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2
Q

True or False: Asexual reproduction allows the same rate of evolution as sexual reproduction

A

False, it is slower because offspring is almost just clones

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3
Q

This type of asexual reproduction is when a cell body or body part divides into 2

A

Fission

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4
Q

What are the 3 types of Fission according to plane of division?

A

Asymmetrical, Transverse, Longitudinal

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5
Q

This type of reproduction is what forms invertebrate colonies

A

Budding

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6
Q

When a lost or separated body part generates into a whole organism, this is called _____

A

Fragmentation

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7
Q

Reproduction wherein a new organism forms from a bud from another

A

Budding

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8
Q

Rare type of asexual reproduction which occurs only in the absence of male genetic contribution and offspring only have haploids

A

Parthenogenesis

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9
Q

True or False: Internal Budding can occur only when the parent has died

A

True

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10
Q

Briefly explain broadcast spawning

A

Organisms release eggs into the water and rely on ambient water to bring together the gametes

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11
Q

An animal that has both the male and female reproductive system

A

Hermaphrodite

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12
Q

This is the occurrence when an animal is one sex during one phase of its life and changes into the opposite in the next phase

A

Sequential Hermaphroditism

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13
Q

When an animal is born male then transitions into a female, they are called _____

A

Protandrous

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14
Q

Which between bony fish and cartilaginous fish reproduce internally and externally?

A

Bony fish - External
Cartilaginous fish - Internal

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15
Q

What organ is used by cartilaginous fins to introduce their sperm?

A

Pelvic Fin

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16
Q

True or False: Frog eggs develop quicker than fish eggs

A

False, they develop longer and go through more stages

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17
Q

_____ animals hatch eggs internally and give birth to live young

A

Ovoviviparous

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18
Q

Like some non-avian reptiles, _____ animals release eggs and they hatch externally

A

Oviparous

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19
Q

Where do male avians deposit their semen in the female?

A

Cloaca

20
Q

True or False: Only some avians are oviparous

A

False, all are

21
Q

Most mammals are _____ as they produce live young

A

Viviparous

22
Q

This male external organ holds the testes away from the body to provide its needed (lower) temperature

A

Scrotum

23
Q

The transfer organ in the male reproductive system

A

Penis

24
Q

Briefly define the Glans and Prepuce

A

Glans is the extended head in the anterior of the penis
Prepuce is the foreskin

25
Q

This organ is where the sperm matures and is stored until ejaculation

A

Epididymis

26
Q

After 40-60 days, what happens to unused sperm in the epididymis?

A

They disintegrate and are reabsorbed

27
Q

This organ is the ejaculatory duct for sperm and urine and is connected to the prostate glands

A

Urethra

28
Q

The primary organ of the male reproductive system, this produces sex cells

A

Testis

29
Q

This part of the Testis functions in spermatogenesis

A

Seminiferous Tubules

30
Q

This is a long muscular tube from epididymis to the penis

A

Vas Deferens

31
Q

This gland produces a clear fluid for lubrication during intercourse. It also protects sperm by neutralizing the acidity of leftover urine in the urethra

A

Bulbuorethral

32
Q

This duct transports the sperm and other fluids into the urethra

A

Ejaculatory Duct

33
Q

This secretes liquid rich in fructose and composes 60% of semen. This is also necessary to give energy to the sperm

A

Seminal Vesicle

34
Q

This gland produces fluid that nourishes and transports the sperm

A

Prostate Gland

35
Q

These two external female reproductive organs serve as covering and protection for the underlying structures of the vagina

A

Labia Minora & Majora

36
Q

This female organ contains sensory nerves and erectile tissue

A

Clitoris

37
Q

This is the general term for the external openings of the vagina

A

Vulva

38
Q

This is the area between the vagina and the anus and is the area for episiotomy

A

Perineum

39
Q

This provides nutrient-rich food for mammal young

A

Mammary Gland

40
Q

The counterpart of the Bulbuorethral Gland in females, it produces lubrication for intercourse

A

Bartholin’s Gland

41
Q

This is a major female organ that holds the space wherein the embryo grows

A

Uterus

42
Q

This passage receives mature eggs during ovulation and brings them to the oviducts

A

Uterine Tubes

43
Q

This secretes hormones and produces female sex cells

A

Ovaries

44
Q

This is the birth canal. It contains mucosa that secretes lubrication

A

Vagina

45
Q

This type of viviparous animal nourishes their offspring in a pouch after a short gestation period

A

Marsupials

46
Q

These viviparous animals nourish their young internally through placenta and continue to do so after birth

A

Placentals

Zoology 111 (8 decks)

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