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Eggs that cushion the embryo in fluid and protect it with membranes and a shell developed first in?
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.
How does the protein control the sex of a developing embryo?
Genes control the sex of a developing embryo.
What are three ways that embryo's are protected in sexually reproducing organisms?
Embryos are protected by the physical structures of the reproductive system, such as the uterus in mammals. Embryos are protected by the presence of amniotic fluid or egg membranes that surround and cushion the developing embryo. Embryos are protected by parental care, such as brooding behaviors in birds or the provision of nutrients and a safe environment in mammals.
What is the function of the endosperm?
to provide nourishment to the developing embryo in a seed
A developing organism is called?
An embryo is the term used to describe a developing organism in its early stages of growth and development.
What provides nourishment for the plant embryo?
The endosperm does. It acts much like yolk in an egg does for the embryo developing in the egg: provides the necessary nutrients for the developing embryo to grow from.
How is a fish embryo protected?
sex
What is fetal node?
developing embryo.
What houses developing embryo?
the uterus
How is a mammalian embryo a parasite?
A mammal embryo is the developing baby inside the mother.
What supplies food to the developing embryo?
The yolk sac supplies food to the developing embryo through nutrients stored in the yolk. It helps sustain the embryo's growth and development until it is ready to hatch.
A delicate plant embryo is protected by a?
seedcoat
