Reproduction in vertebrates

Question 1

Allantois

Answer 1

structure in a developing embryo used in gas exchange; no functional in humans

Question 2

Altricial development

Answer 2

Production of offspring that are born helpless, unable to move of feed by themselves

Question 3

amnion

Answer 3

inner membrane of the embryo containing a fluid that acts as a shock absorber

Question 4

Amniotic egg

Answer 4

an egg containing 4 extra-embryonic membranes

Question 5

Chorion

Answer 5

Outer membrane of the embryo that plays a role in gas exchange

Question 6

external fertilisation

Answer 6

fertilization of the egg by the sperm cell outside the body of a female

Question 7

internal fertilisation

Answer 7

fertilisation of the egg cell by the sperm cell inside the female reproductive system

Question 8

ovipary

Answer 8

a method of reproduction involving the laying of eggs which then hatch outside the body of the female31

Question 9

ovovvivipary

Answer 9

a method of reproduction involving the laying of eggs inthe female reproductive system

Question 10

precocial development

Answer 10

production of offspring that are independent, can feed and move by themselves

Question 11

vivipary

Answer 11

young are born alive after a period of being protected and nourished by the body of the mother

Question 12

yolk sac

Answer 12

structure in amniotic egg that provides nutrition to the embryo