These characteristics are only present during embryonic development in some chordates. The notochord provides skeletal support, gives the phylum its name, and develops into the vertebral column in vertebrates. The dorsal hollow nerve cord develops into the central nervous system: the brain and spine.
Answer:
B -- different, because non-sister homologous chromosomes have swapped genetic material with one another.
Explanation:
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Producer I believe because producers have the most energy at the bottom of the pyramid
Answer:
D. Magnification / size of drawing
Explanation:
You would calculate a scale for your drawing when using a microscope by magnification / size of drawing.
