The first nine weeks of development about 11 week total a developing human is referred to as an embryo from nine weeks until time of birth the developing human is referred to as

On a floor there are several 1-4 mm elongated drops leading away from a body lying in a pool of blood. the the forward wall there is a sigzag pattern and on the walls to the right side there is a linear patter

Restless tectonic plates move (shift) between one and fifteen centimeters per year month day minute

Which animal is a producer in this ecosystem