The earliest birds had all of the folowing traits EXCEPT::
a. appeared during the late Jurassic period.
b. had teeth and long tails.
c. probably glided from trees.
d. had feathers.
e. had long sharp teeth
E
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When plants bend toward or away from a light source, what is this called and which type of light causes the response?
a. phytochromism, far red light b. photoperiodism, red light c. phototropism, blue light d. photosynthism, both red and blue light
Place the three primary cell layers of an embryo in order from superficial to deep
a. ectoderm ? endoderm ? mesoderm b. ectoderm ? mesoderm ? endoderm c. endoderm ? ectoderm ? mesoderm d. endoderm ? mesoderm ? ectoderm e. mesoderm ? ectoderm ? endoderm
Development ceases at birth.
Answer the following statement true (T) or false (F)
Over the past century, the Earth's climate has ________ by an estimated 0.74°C
Fill in the blank(s) with correct word