These birds resemble each other, but live in vastly different geographic areas. What is their evolutionary relationship?
1.They cannot be related if they lived on different continents.
2.They are vestigial forms of one another.
3.They resemble each other outwardly but are very different internally.
4.They all had a common ancestor.
4
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_____ mutations affect only the individual in which they occur; _____ mutations are passed from parent to offspring
A. Somatic; germ-line B. Germ-line; somatic C. Germ-line; heritable D. Somatic; point E. Point; germ-line
The flower structure that consists of the male reproductive parts is the
A. carpel. B. stigma. C. corolla. D. calyx. E. stamen.
Cells of the blastula undergo ____, a process that forms and segregates the three germ layers
a. morphogenesis b. development c. gastrulation d. cleavage e. division
An ecologist studying effects of bees on seed production by flowering plants is working at which level of ecological complexity?
What will be an ideal response?