In embryonic development of many animals, the germ layer gives rise to the skin and nervous system, the germ layer gives rise to the muscles and reproductive system, and the germ layer gives rise to the digestive system.

middle germ layer of an animal embryo, giving rise to muscle, blood, b

The three primary germ layers in a developing human embryo are ectoderm, , and endoderm.

Which embryonic germ layer(s) give(s) rise to connective tissues?Multiple choice question.The endodermThe mesodermThe endoderm and the ectodermThe mesoderm, the ectoderm, and the endoderm

Select the three primary germ layers in a developing human embryo.Multiple select question.MacrodermEndodermMesodermFibrodermEctoderm

In the course of embryonic development, the three germ layers -- ectoderm, mesoderm, and endoderm -- give rise to different tissues and organ systems in the body. Which of the following options is formed from the endoderm?Group of answer choicesDigestive tract.Skeletal system and muscle.Heart and blood vessels.Nervous system and skin.