COLECUL E
III. Germ Layers - differentiated tissue layers in the embryos of all animals except
which have no tissues.
A. endoderm -
germ layer: give rise to lining of digestive tract;
respiratory system; urinary bladder; digestive organs; liver; many glands
B. mesoderm-
germ layer: give rise to most of the skeleton;
muscles; circulartory system; reproductive organs; excretory organs
germ layer: give rise to outer layer of skin;
C. ectoderm -
nervous system; and sense organs.

b c a d mark me

mountains can affect the climate of nearby lands. in some areas, mountains block rain, so that one side of a mountain range may be rainy and the other side may be a desert. much of airborne moisture falls as rain on the windward side of mountains.

explanation:

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.

is this for the e2020 class