One of the first birds appeared in the period of the mesozoic era.

Each trait of a plant is determined a. an allele b. one gene c. a pair of genes d. one dominant gene

The location of the stomach is the diaprham

The mammal pictured below is a silvery mole rat. which statement is an inference based on the picture? the animal is ugly. the animal has hairless feet with sharp claws. the animal has prominent upper and lower incisor teeth. the animal likely has poor vision since its eyes are so small.