You discover an organism that has scaly skin and is aquatic...

You discover an organism that has scaly skin and is aquatic but returns to the land to reproduce. What else would you expect to find in this organism? 1 You would anticipate amniotic eggs from an organism with scaly skin that returns to land for reproduction. One important adaptation that enables some species, including reptiles, to breed on land is the use of amniotic eggs. Specialized membranes found in amniotic eggs shield and nourish the developing embryo, allowing it to grow outside of an aquatic environment. Correct?

Transcript

00:01 Hello students in the question number four we have to tell the fact that the frog can leave out of water and fish cannot tell that the frog has solved the problem of it is gill breathing so the frog they have solved the problem of gills breathing so this is answer for question four now in the question number five we have to tell the structure in the frog that solves their problem so it is the mucus gland in their moist skin.

00:50 So in the land they can respire through skin.

00:56 So the answer for question five it is mucus glands.

01:01 Now in question number six we have to compare the frog to the lizard where it is most obvious difference so let's discuss the lizards and frog.

01:17 So the lizards they can live only in land only on land but frogs they can live both on land and water and the next difference is lizard they lay it in the land and the frogs they lay egg in the water only and the lizard they show creeping movement but the frog they move on land by jumping and in water by swimming and the lizards, they are reptiles.

02:31 And the frogs, they are amphibians.

02:38 So these are the difference of lizard and frogs.

02:41 Now, next question.

02:45 In question number seven, we have to tell the two features that allows the reptiles to be successful in the dry environments.

02:53 So the answer is, the waterproof skin and the reproductive modifications, such as the internal fertilization and the amniotic egg.

03:30 So the skin of reptiles, this is rough, and sometimes it contains these scales that help them to crawl in the lamp.

03:43 Also the internal fertilization, this can occur without the water medium.

03:55 And the amniotic egg or the shelled egg, they help them to lay eggs on the water without rut.

04:01 The egg.

04:02 So for this question the answer is waterproof skin and the internal and amniotic egg.

04:13 Now in the question number eight we have to tell how did the two special changes in the reproductive it improved land success for the reptiles.

04:25 So the two important reproductive modification they are internal fertilization and the amniotic egg...

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