Ozone in the atmosphere shields us from ________

Fill in the blank(s) with correct word


ultraviolet radiation

Biology & Microbiology

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The first primates known for their extensive use of tools were

A) Homo habilis. B) Homo erectus. C) Homo afarensis. D) Homo sapiens.

Biology & Microbiology

Which of the following statements is CORRECT?

a. Convergent evolution results in unrelated organisms developing very dissimilar traits. b. A bird's eye is analogous to a whale's eye. c. A bat's wing is homologous to a moth's wing. d. Adaptive radiation is a special case of divergent evolution. e. Natural selection plays only a small role in the process of adaptive radiation

Biology & Microbiology

Cell-mediated immunity is a function of

A. NK cells. B. T lymphocytes. C. B lymphocytes. D. dendritic cells. E. macrophages.

Biology & Microbiology

Sexual reproduction in Basidiomycota results in the production of

A. ascospores. B. basidiospores. C. conidiospores. D. endospores. E. zygospores.

Biology & Microbiology