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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Biology & Microbiology

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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

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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

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Which score suggests a high degree of community similarity?

A) 0.9 B) 9 C) 90 D) 900

Biology & Microbiology

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

Biology & Microbiology