Reproduction

Question 1

define asexual reproduction

Answer 1

the production of new organisms from a single parent

Question 2

what is the purpose of asexual reproduction

Answer 2

to create new genetically identical organisms

Question 3

define sexual reproduction

Answer 3

the process of producing new offspring

Question 4

what is the purpose of reproduction

Answer 4

to ensure the continuity/prevent extinction of a species

Question 5

what are the parts of a male reproductive system

Answer 5

1. testis (plural, testes)
2. epididymis
3. scrotum
4. sperm duct
5. urethra
6. penis
7. sex glands

Question 6

what is the function of the testes

Answer 6

produce sperm and male hormones (testosterone)

Question 7

what is the epididymis

Answer 7

where sperms are stored temporarily

Question 8

what is the function of the sex glands

Answer 8

produce seminal fluid which contains nutrients and enzymes to activate the sperms

Question 9

what is semen

Answer 9

a mixture of sperms and seminal fluid

Question 10

what is the scrotum

Answer 10

a bag of skin which holds the testes outside the body, to provide a lower temperature for healthy production of sperms

Question 11

what is the sperm duct

Answer 11

a tube that carries sperms to the penis

Question 12

what is the penis

Answer 12

the organ from which sperms exit the body and is deposited into the vagina of a female

Question 13

what is the urethra

Answer 13

a tube that carries semen and urine at different times

Question 14

is the ureter part of the reproductive system

Answer 14

no tf it isnt

Question 15

what is the ureter

Answer 15

a tube that links the kidney to the urinary bladder

Question 16

what is the male gamete

Answer 16

sperm (plural, sperms)

Question 17

what is the female gamete

Answer 17

ovum (plural, ova)

Question 18

where is the male gamete made

Answer 18

testis (plural, testes)

Question 19

where is the female gamete made

Answer 19

ovary

Question 20

how many chromosomes does a sperm have

Answer 20

23 chromosomes

Question 21

how many chromosomes does an ovum have

Answer 21

23 chromosomes

Question 22

name the different structures of a sperm

Answer 22

1. acrosome
2. cytoplasm
3. nucleus
4. plasma membrane
5. mitochondria (singular, mitochondrion)
6. flagellum

Question 23

what is the function of the acrosome

Answer 23

produce enzymes to be able to penetrate the ovum

Question 24

what is the function of a nucleus

Answer 24

to control and regulate the activities in the cell

Question 25

what is the function of the mitochondria

Answer 25

produce energy for the movement of the sperm

Question 26

what is the function of the flagellum

Answer 26

generate and regulate motility (for the sperm)

Question 27

what is the size of a sperm

Answer 27

very small / microscopic

Question 28

what is the shape of a sperm

Answer 28

like a tadpole

Question 29

how many sperms are released through the sex organ

Answer 29

millions

Question 30

why do only hundreds out of millions of sperms released reach the ovum

Answer 30

many sperms are released to increase the chance of fertilisation some die before they reach the ovum some swim to the other oviduct without the ovum

Question 31

name the structures of the female reproductive system

Answer 31

1. ovary (plural, ovaries) 2. oviduct / fallopian tube 3. uterus 4. cervix 5. vagina

Question 32

what is the function of the ovaries

Answer 32

to produce eggs and female hormones (oestrogen and protesterone)

Question 33

what is the function of the oviduct / fallopian tube

Answer 33

connects the ovary to the uterus the funnel of the oviduct collects the ovum

Question 34

what is the uterus

Answer 34

where the fetus grows during pregnancy

Question 35

what is the cervix

Answer 35

the narrow opening of the uterus | becomes wider during birth of baby

Question 36

what is the vagina

Answer 36

muscular tube where sperms from the penis are deposited

Question 37

name the different structures of the ovum

Answer 37

1. outer membrane 2. plasma membrane 3. cytoplasm 4. mitochondria