Week 5 - Animal Reproduction

Question 1

What are the methods of asexual reproduction?

Answer 1

Fission
Budding
Fragmentation

Question 2

Describe fission

Answer 2

Splitting into two equal parts

Question 3

Describe budding

Answer 3

New individuals form on parent, then grow and detatch where it will finish developing

Question 4

Describe fragmentation

Answer 4

Splitting of an adult into 2 fragments, mitotic cell division will grow back the missing bits

Question 5

What is particular about fission, budding and fragmentation

Answer 5

They’re only possible in invertebrates

Question 6

Describe parthenogenesis

Answer 6

Asexual reproduction

FISH AND REPTILES

New individuals come from unfertilized eggs.

Because of crossing over, genetically independent

Question 7

Describe spawning

Answer 7

External sexual reproduction

Females lay eggs, males follow close behind to fertilize. This synchronized behaviour is controlled by pharamones

Question 8

What is the oviduct?

Answer 8

Duct that conveys eggs via peristalsis

Question 9

What kind of gland are the ovaries?

Answer 9

endocrine AND exocrine

Question 10

What is the endometrium?

Answer 10

The inside lining of the uterus

Question 11

What is special about female arthorpod reproductive systems?

Answer 11

Many have a spermatheca, which allows them to store sperm and choose when to use it

Question 12

Are testes endocrine or exocrine?

Answer 12

BOTH

Question 13

What are the three accessory glands to the male reproductive gland?

Answer 13

1. Seminal vesicles
2. Prostate glands
3. Bulbourethral glands