Which of the following makes pollination important?
a. It enables recognition of male and female flowers in plants.
b. It enables the pollinator to feed.
c. It enables fertilization and reproduction in plants, while the pollinator has no benefits.
d. It enables fertilization and reproduction in plants, while the pollinator can feed.
Ans: d. It enables fertilization and reproduction in plants, while the pollinator can feed.
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Fungi produce spores through meiosis. What happens to the spores?
a. Spores undergo meiosis to become four distinct fungal gametes. b. Spores undergo nuclear fusion to become multicellular diploid zygote. c. Spores undergo mitosis to become multicellular haploid organisms. d. Spores undergo hibernation until they encounter viable gametes.
An __________ consists of hardened parts inside the body. Fill in the blank(s) with the appropriate word(s)
Which of the following is one method in which a change in the DNA leads to genetic changes in a population?
A) genetic drift B) mutation C) founder effect D) bottleneck effect
How is an antiseptic different from a disinfectant?
An antiseptic kills or inactivates all microbial forms but a disinfectant does not destroy endospores. An antiseptic is used to remove or kill microorganisms on tissue, whereas a disinfectant is used to remove or kill microorganisms on inanimate objects. An antiseptic is used to remove or kill microorganisms IN the body, whereas a disinfectant is used to remove or kill microorganisms on the body surfaces. There is essentially no difference and these terms can be used interchangeably.