The distribution of living organisms would be
increased by
a. continental drift.
b. the formation of Pangea.
c. the sea-floor spreading.
d. the movement of Gondwana.
e. all but “the formation of Pangea.”
Answer: e
You might also like to view...
The multicolored stripes in these fly embryos represent _____
1.different operons being activated at different stages of development
2.gradients of master genes that control development
3.different mutations in flies that lead to problems with wings, thorax, etc
4.shared patterns of gene expression amongst evolutionary relatives of the fly
A friend tells you that her husband has been feeling
anxious for the past month. He has also felt fatigued most of the time, and his face is puffy. Doctors have already checked for ulcers, cancer, blood pressure changes, and other blood irregularities, but have found everything to be normal. You are an endocrinologist, so you suggest that he be tested for the most likely endocrine malfunction, which would be __________ levels. a. androgen/estrogen b. glucocorticoid c. calcitonin d. melatonin e. parathyroid
What do the large female cones of a pine tree contain?
a. pollen b. antheridia c. microspores d. megasporangia e. microsporangia
The five different immunoglobulin classes are distinguished by their
a. CH regions. b. C? regions. c. D regions. d. JH regions. e. VH regions.