answersLogoWhite

0

Reptiles were the first group whose eggs cushioned the embryo in fluid and protected it with membranes and a shell. This prevents eggs from drying out and allows them to be laid away from water.

User Avatar

Wiki User

11y ago

What else can I help you with?

Related Questions

The protective sac surrounding the embryo is formed by the?

The protective sac surrounding the embryo is formed by the amniotic membrane and the amniotic fluid which together create the amniotic sac. This sac serves to cushion and protect the developing embryo during pregnancy.


What is the function of th membrane that encloses the embryo?

The membrane that encloses the embryo is called the amnion. Its function is to protect the embryo by providing a cushion against physical impact, preventing drying out, and allowing for movement and growth within a fluid-filled environment.


The primary job of the amniotic cavity during pregnancy is what?

Its primary job - is to cushion and protect the developing embryo against damage while its growing.


What is the outermost layer of two membranes surrounding the embryo?

The outermost layer of two membranes surrounding the embryo is the amnion. The two membranes are the amnion and the chorion, which together form the amniotic sac that surrounds and protects the developing embryo.


What is the membrane that protects and cushion embryo?

The Amniotic Membrane.


What is the name of the fluid-filled bag of thin tissue that develops around the embryo?

The fluid-filled bag of thin tissue that develops around the embryo is called the amniotic sac. It helps protect and cushion the developing embryo/fetus during pregnancy.


What membranes are outside the embryo but inside the shell?

nothing


What serves as an insulator for the embryo?

Amniotic fluid serves as an insulator for the embryo as it provides a protective cushion and helps regulate temperature.


What is the name of the fluid-filled bag of thin tissue that developes around the embryo soon after implantation?

amniotic sac


The extraembryonic membrane that forms a fluid-filled sac is the?

The extraembryonic membrane that forms a fluid-filled sac is the amnion. It helps protect and cushion the developing embryo by surrounding it with amniotic fluid.


What type of egg is composed of a protective shell and membranes that surround the developing embryo?

A type of egg is composed of a protective shell and membranes that surround the developing embryo is an egg


What contain an egg cell food storage tissue and a sticky fluid?

The yolk of an egg cell contains food storage tissue, which provides nutrients for the developing embryo. The egg white, or albumen, contains a sticky fluid that helps cushion and protect the developing embryo.