Question

please pleas please help me to distinguish between :- 1) Egg & Embryo , 2) Male & Female Urethra . ​

Answer 1

Male secreted sperm sex hormone

Answer 2

Explanation:

egg is the unfertilized part of female

it is haploid i e "n"

whereas,

embryo is the fertilized egg

it is diploid. i.e."2n"

it will give rise to an offspring

male urethra is longer tha female urethra

male urethra work for urine excretion as well as sperm excretion

where as female urethra works only for urine excretion