What is gestation?
A) conception
B) fertilization
C) development
D) pregnancy
D
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In meiosis, recombination occurs _______________
A. during prophase I and II and involves exchange of chromosome fragments between all four chromatids B. only during prophase I and involves exchange between chromatids of homologous chromosomes C. only during prophase I and involves exchange of chromosome fragments between sister chromatids D. during prophase I and II and involves exchange of chromosome fragments between sister chromatids
When communities of organisms interact with their physical environment they form a(n)
A. population. B. organism. C. community. D. ecosystem. E. macromolecular community.
The scientists use a virus to insert the new DNA into the cabbage plant’s DNA. The insect
pests would be considered __________.
a. primary producers b. primary consumers c. secondary consumers d. tertiary consumers
The failure of the potato crop and the subsequent
Irish famine was due mainly to a protist belonging to which group? a. chytrids b. slime molds c. club fungi d. parabasalids e. water molds