Reproductive tract of exotic species

Question 1

Which animals do not have a diaphragm?

Answer 1

Birds, Reptiles and Fish

Question 2

What is the cloaca?

Answer 2

A common exit to the intestinal, urinary and genital tracts

Question 3

What are the three sections of the cloaca?

Answer 3

Coprodeum
* Urodeum
* Proctodeum

Question 4

Where are the reproductive organs found in male reptiles?

Answer 4

within the coelomic cavity

Question 5

What exotic animals have a bladder?

Answer 5

tortoises and terrapins

Question 6

What temperature is most ideal for spermatogenesis?

Answer 6

Higher temperatures

Question 7

What are hemipenes?

Answer 7

two inverted structures either side of the cloaca in place of a penis

Question 8

Which animals have hemipenes?

Answer 8

Snakes and lizards

Question 9

What are phalluses and hemipenes used for only?

Answer 9

reproduction

Question 10

What does oviparous mean?

Answer 10

Lay eggs

Question 11

What does viviparous mean?

Answer 11

Give birth to live young

Question 12

What does ovoviviparous mean?

Answer 12

the egg develops inside the female

Question 13

What is a potential problem with induced ovulation?

Answer 13

If no male triggers ovulation the the female can be left with too many follicles in the abdomen

Question 14

How do you sex a tortoise based on tail length?

Answer 14

Males have a longer tail and the tail is further from the cloaca

Question 15

How do you sex a snake?

Answer 15

Using a sexing probe, it goes further in males

Question 16

How can you sex a male gecko or bearded dragon?

Answer 16

They have hemipenile bulges

Question 17

Where are the testes found in birds?

Answer 17

Inside the coelomic cavity

Question 18

What adaptation do birds have?

Answer 18

Spermatogenesis can occur at a higher temperature than in mammals

Question 19

How many sides of the female reproductive tract in birds is functional?

Answer 19

only one, usually the left

Question 20

What colour is the cere in female birds?

Answer 20

light brown as opposed to blue in males

Question 21

How can you sex a parrot?

Answer 21

by using either a DNA blood test or a feather DNA test

Question 22

What kind of fertilisation do fish usually do?

Answer 22

External

Question 23

What is the process of sperm and ova being released externally?

Answer 23

Fish have a duct system, this can then pass into the urogenital sinus- this then opens into the kidney and is released to the outside aperture

Question 24

Where are testes usually found in fish?

Answer 24

between the swim bladder and intestine

Question 25

Where are ovaries usually found in fish?

Answer 25

ventral to the kidneys and swim bladder, however they are more dorsal than testes

Question 26

How would you sex a goldfish?

Answer 26

Males develop white spots on the gill covers and pectoral fins

Question 27

What is the phallus/hemipene formed from?

Answer 27

The cloaca (engorgement of fibrous/vascular erectile tissue)