The biological specialty that deals with the reconstruction and study of phylogenies is called ________.
Fill in the blank(s) with the appropriate word(s).
systematics
Biology & Microbiology
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The physical barrier of the skin and the mucus produced by the epithelial cells lining body cavities ____
a. activate the complement system b. release histamines c. facilitate the production of antibodies d. comprise the innate immune system e. protect the body from infection by pathogens
Biology & Microbiology
Identify the stage of mitosis shown in panel D
a. interphase b. prophase c. metaphase d. anaphase e. telophase
Biology & Microbiology
The word eukaryotic means
a. having no nucleus. b. having two nuclei. c. before the nucleus. d. having a true nucleus. e. having many nuclei.
Biology & Microbiology
When two or more species vie for the same limited resource, _____ occurs.
A. succession B. symbiosis C. coevolution D. stotting E. competition
Biology & Microbiology