Reference no: EM133260687

1. In higher animals these muscles of the girdles and appendages increase in size and importance and spread over the segmented musculature until the latter is scarcely recognizable.

True

False

2. The vertebral column in fishes is divided into trunk and tail regions only.

True

False

3. In reptiles, birds, and mammals, the cervical region is longer, and the trunk region is divided into an anterior thoracic region, bearing long ribs, and a posterior lumbar region with reduced or no ribs.

True

False

4. In Amphibia, a very short cervical region and a sacral region are lacking.

True

False

5. The epidermis originates directly from the surface endoderm of the embryo, which by proliferation produces several strata of cells.

True

False