When energy is transformed, some is used, but most is released as unusable heat energy, according to the law of thermodynamics.

a.)universal
b.)third
c.)second
d.)first

How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.

Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry