Flight muscles of birds connect bones of the upper limb to the ________
a. pelvic girdle
b. radius
c. sternum
d. ulna
c
Biology & Microbiology
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This person is credited with devising powerful microscope
A. Watson B. Darwin C. leeuwenhok D. Hooke E. Koch
Biology & Microbiology
The sex hormones of many animals are lipid molecules known as ____
a. fatty acids b. phospholipids c. carotenoids d. steroids e. lipoproteins
Biology & Microbiology
The diverse body plans seen in Animalia apparently developed during the:a
Precambrian b. Cambrian. c. Mesozoic. d. Silurian. e. Devonian.
Biology & Microbiology
contents of the digestive system are moved along by rhythmic contractions and relaxations of smooth muscle this process is called
What will be an ideal response?
Biology & Microbiology