Which of the following is a major limiting factor that affects how many steps are in a food chain?
a. food
b. habitat
c. predators
d. energy
d. energy
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Typically arthropods serve as vectors of disease, while helminths directly cause disease
Indicate whether this statement is true or false.
Chloroplasts share many similarities with which one of the following organelles?
a. mitochondria b. rough endoplasmic reticulum c. nucleus d. Golgi complex e. lysosome
What is the direction of prevailing winds in the central United States?
1.From east to west
2.From north to south
3.From south to north
4.From west to east
Which of the following statements concerning
production of bryophyte reproductive cells is true? a. Spores and gametes are produced by meiosis. b. Spores and gametes are produced by mitosis. c. Spores are produced by meiosis, whereas gametes are produced by mitosis. d. Spores are produced by mitosis, whereas gametes are produced by meiosis. e. Spores and gametes are both used for sexual reproduction.