Microorganisms are best defined as organisms that
A. cause human disease.
B. can only be found growing in laboratories.
C. are infectious particles.
D. are too small to be seen with the unaided eye.
E. lack a cell nucleus.
Answer: D
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Virtually every food consumed by humans is originally derived from sunlight. This is easily seen in relation to plants and seeds, but the connection to meat is less clear. How is meat ultimately derived from sunlight?
a. Animals require sunlight to survive and thrive so the meat that people consume is supported by sunlight. b. Animals utilize the heat from the sun for body temperature which supports the metabolic processes necessary to make muscle tissue. c. The animals are fed a plant-based diet and use that energy (originally derived from the sun) to build the proteins that people consume when they eat meat. d. The animals are mostly diurnal and will only eat during the day. Thus, the sun provides the light needed to support this diurnal lifestyle.
What is the most recent common ancestor of fungi and animals?
A. A protist B. A bryophyte C. An algae D. A moss
The temperature, humidity, precipitation, wind, cloudiness, and other atmospheric conditions that occur at a specific place and time are referred to as ________
Fill in the blank(s) with correct word
Two organisms, AABBCCDDEE and aabbccddee, are mated to produce an F1 that is self-fertilized
If the capital letters represent dominant, independently assorting alleles: (a) How many different genotypes will occur in the F2? (b) What proportion of the F2 genotypes will be recessive for all five loci? (c) Would you change your answers to part (a) and/or part (b) if the initial cross occurred between AAbbCCddee × aaBBccDDEE parents? (d) Would you change your answers to part (a) and/or part (b) if the initial cross occurred between AABBCCDDEE × aabbccddEE parents?