After a scratch test, you charted +4 pollen. What does this most likely mean?
Ans: The test was positive with a wheal of 20 mm
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Which of the following species concepts is described by a complex group of populations that are not in direct physical or reproductive contact, but do exchange genetic material through linking populations of the same species?
A. Ring species B. Ecological species C. Evolutionary species
In the life cycles of mosses and ferns, which of the following structures are diploid (2n)? Select all correct choices
A. sporophyte B. gametophyte C. zygote D. sperm E. eggs
What are the two structures that ensure the reproductive success of angiosperms?
a. flowers and fruit b. cones and leaves c. carpels and gametes d. radicles and cotyledons
When gametes fuse during fertilization, a(n) ________ is produced
A) haploid individual B) zygote C) sperm D) egg