C. Elegans

Question 1

Cleavage

Answer 1

Cleavage is the division of cells in the early embryo with rapid cell cycles with no significant overall growth, producing a cluster of cells the same size as the original zygote.

Question 2

Germline

Answer 2

Germ line cells give rise to stem and egg

Question 3

Endoderm

Answer 3

The innermost layer of cells of an embryo in early development, or the parts derived from this, which include the lining of the gut and associated structures.

Question 4

Mesoderm

Answer 4

The middle layer of cells or tissues of an embryo, or the parts derived from this (e.g. cartilage, muscles, and bone).

Question 5

Ectoderm

Answer 5

The outermost layer of cells or tissue of an embryo in early development, or the parts derived from this, which include the epidermis, nerve tissue, and nephridia.

Question 6

Anterior

Answer 6

Usually left

Question 7

Posterior

Answer 7

Usually right

Question 8

Dorsal

Answer 8

Usually top

Question 9

Ventral

Answer 9

Usually bottom/where mouth is