Reproduction definitions

Question 1

What is Reproduction

Answer 1

Producing off spring

Question 2

What is sexual reproduction?

Answer 2

Fertilization of Gamete produced by 2 different sexes

Question 3

What is the natural method of asexual reproduction (how do they grow)and name some examples

Answer 3

Runners, grow from the plant, eg: grass, strawberries

Question 4

What is the artificial method of asexual reproduction and name some examples

Answer 4

Cuttings, eg: Mulberry, Pineapple

Question 5

What are the male parts of the flower

Answer 5

Anther, filament

Question 6

What are the female parts of the flower

Answer 6

Stigma, style, eggs, ovary

Question 7

What is Pollination

Answer 7

Transfer of pollen from anther to stigma

Question 8

What does the Anther do?

Answer 8

Produce pollen

Question 9

What does the ovary do

Answer 9

Produce eggs

Question 10

Conditions needed for seed germination

Answer 10

Water to activate enzymes
Oxygen for aerobic respiration
Optimum Temperature for enzymes

Question 11

What does the stigma do

Answer 11

Part of the flower where the pollen lands and the beginning of the fertilization process

Question 12

What are 7 secondary sexual characteristics in males

Answer 12

Voice becomes deeper
Wider shoulders and narrower hips
Muscle mass and strength increases
Hair grows in face, armpits and pubic region
Has smelly sweat
Production of sperm

Question 13

What are 8 sexual characteristics of females

Answer 13

Hair grows longer
Narrower shoulders and wide hips
Hair grows in armpits and in pubic region
Has smelly sweat
Production of egg cells
Menstrual cycle starts
Gain fat
Breasts develop

Question 14

What are the parts of the male reproductive system

Answer 14

The prostate gland, urethra, testes, penis, sperm duct

Question 15

What are the parts of the female reproductive system

Answer 15

Ovary, oviduct, vagina, urethra

Question 16

What is FSH, what secretes it, and what does it stimulate

Answer 16

Follicle-stimulating Hormone, secreted by the pituitary gland, stimulates the development of follicles

Question 17

What does Follicle secrete

Answer 17

Oestrogen

Question 18

What happens when follicle grows

Answer 18

Oestrogen concentration rises in the blood

Question 19

What are the functions of Oestrogen

Answer 19

Repairs uterus lining, stops production of FSH

Question 20

What does the pituitary gland secrete after egg is matured, what does it cause

Answer 20

LH, causes ovulation, which releases eggs from follicle and ovary

Question 21

What is the remaining part of follicle after ovulation and what does it secrete

Answer 21

Corpus Luteum, secretes Progesterone

Question 22

What are the functions of Progesterone

Answer 22

Inhibits LH, maintains uterus lining

Question 23

What happens when there is no fertilization

Answer 23

Corpus Luteum degenerates, oestrogen and progesterone levels drop.
The uterus lining breaks and leaves the body= period
Inhibition for FSH is removed and the cycle starts again

Question 24

What are 4 conditions that may change the cycle

Answer 24

Medication/Drugs
Food types
Sleep patterns
Stress

Question 25

What is the Placenta?

Answer 25

Site of exchange between mother and the fetus

Question 26

What does the Umbilical cord do?

Answer 26

It allows the transport of substances between the fetus and the placenta

Question 27

What diffuses from mother to fetus?

Answer 27

Glucose, amino acids, O2, water, fatty acid, glycerol, drugs, hormones, vitamins, minerals

Question 28

What diffuses from fetus to mother?

Answer 28

CO2, urea, uric acid

Question 29

What does the amniotic sac and Amniotic fluid do

Answer 29

Protect the fetus by absorbing vibration and providing buoyancy