The biological species concept
1.defines a species as a group that can interbreed and produce fertile offspring.
2.applies to asexually reproducing organisms.
3.looks at visible traits.
4.emphasizes evolutionary relationships.
5.was used by Carolus Linneaus.
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If the connection between a gland and the epithelial membrane is maintained as a duct, the gland is called a(n) ___________ gland.
A. exocrine B. endocrine C. lymph D. sebaceous E. adrenal
The autonomic subdivision consists specifically of:
a. central and peripheral nerves b. parasympathetic and sympathetic nerves c. somatic and involuntary nerves d. brain and spinal cord e. spinal and cranial nerves
Which score suggests a high degree of community similarity?
A) 0.9 B) 9 C) 90 D) 900
Labrador retriever's fur color is controlled by two alleles, E and B. Any dog with the ee__ genotype develops into a yellow lab, while B_E_ dogs become black labs and bbE_ dogs become chocolate labs. This is an example of _____.
A. epistasis B. codominance C. incomplete dominance D. linkage