Vertebrates have to

a. Thyroid and eye gland
b. Cephalic gland and hypothalamus
C. ecdysome
d Thyroid and pituitary

Which anatomical plane is the only one that could not show both the sternal region and vertebral region

Which of the following is the best definition of a eukaryota? a. a one-celled organism that does not have a membrane-bound nucleus b. a one-celled organism that does not have a cell wall c. an organism whose cells each contain a membrane-bound nucleus d. an organism whose cells each have a cell wall

In the classification system this is a group of organisms with one or more related species