The streptomycetes form spores on their substrate mycelia.
Answer the following statement true (T) or false (F)
False
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________ formation begins with the initial colonization of the pellicle by Streptococcus gordonii, S. oralis, and S. mitis.
Fill in the blank(s) with the appropriate word(s).
Mature sperm cells are called _____
1.spermatogenesis
2.spermatozoa
3.spermatocytes
4.spermatids
In a population growing exponentially,
a. the number of individuals added to the population next year is less than the number added this year. b. the population growth rate decreases year after year. c. net reproduction per individual increases year after year. d. the number of individuals added to the population next year is greater than the number added this year. e. the number of individuals in the population will level off after ten generations.
Each sieve element is associated with a living _____________.
A. root nodule B. sieve tubes C. guard cell D. sieve elements E. companion cell