Question

What is external development and external fertilization

Answer 1

$\huge\mathbb{AHOY!!!}$

EXTERNAL FERTILIZATION..

The fertilization in which the fusion of gametes

occurs outside the body of the female in an external medium i.e organism that exhibit external fertilization show a great synchrony between the sexes in order to liberate the gametes at the same time .

example ,, bony fishes, amphibians

EXTERNAL DEVELOPMENT...

External development is when the embryos develop outside of the parents. An example of this is when fish mate. Often, the female deposits a nest of eggs along the floor of a stream or a pond.

Answer 2

HERE COMES THE ANS MATE:-

⏩⏩⏩ EXTERNAL DEVELOPMENT:-

LET'S BREAK THE TERM EXTERNAL DEVELOPMENT MEANS THE PROCESS OF PRGRESSION DOES NOT TAKES PLACE WITH THE INTERNAL ENVIRONMENT ❤❗

✳ NOW LET'S EXPLORE THAT WHAT ACTUALLY EXTERNAL DEVELOPMENT TELLS OR / EXTERNAL FERTILIZATION⏩

〽〽〽FECTORS FOR EXTERNAL FERTILIZATION ❤

1⃣ REQUIRES AQUATIC ENVIRONMENT FOR TRANSFER OF GAMETES!!

2⃣GAMETES RELEASED IN WATER!!

3⃣ NO GUARANTEE OF FERTILIZATION!!!

4⃣NO PROTECTION OF ZYGOTE!!

➡➡➡➡ANIMALS WHICH PERFORMS EXTERNAL FERTILIZATION:-

1⃣ FROGS!

2⃣FISH

3⃣ AMPHIBIANS.

4⃣AQUATIC VERTIBRATES!!

➡➡➡➡ BRAINLIEST THE ANSWER PLEASE ❤❤☺