The mode of reproduction in which females produce genetically identical offspring from unfertilized eggs is known as ________
Fill in the blank(s) with correct word
parthenogenesis
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Which factors govern the rate of primary productivity in freshwater and marine ecosystems?
a. availability of water b. availability of sunlight and nutrients only c. depth of the water only d. depth of the water and availability of sunlight and nutrients e. availability of oxygen
You are studying two linked genes that influence vine height and fruit color in squash. Yellow color is dominant over green, and tall height is dominant over short. You get the following numbers of offspring from your testcross: 198 Tall Yellow, 192 Short Green, 54 Tall Green, and 56 Short Yellow What is the distance between these genes?
a. They are unlinked b. 11.2 cM c. 22 cM d. 78 cM
In large woody plants, the wood is essentially made of ________ and the bark is essentially made of ________.
A. pith; collenchyma B. vascular tissue; epidermal tissue C. xylem; phloem and cork D. the cortex; the epidermis
What kingdoms composed the three kingdom classification system used by scientists in the late 1800s?
a. animals, plants, fungi b. animals, plants, bacteria c. animals, fungi, protists d. animals, plants, protists