Which is the correct order of development of the human embryo?

A. egg > zygote > blastula > morula > gastrula > neurula > fetus
B. egg > zygote > morula > blastula > gastrula> neurula > fetus
C. egg > zygote> morula > blastula > neurula > gastrula > fetus

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?

The development of this new blg-free, hypoallergenic milk is based on a science that came to the forefront 150 years ago. what scientist's work provided the basis for such feats in biotechnology?