Diatoms perform photosynthesis, so they fill this role in the community

A) Primary consumers

B) Producers

C) Decomposers 

D)Carbon dioxid


D) Producers

Biology & Microbiology

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One hundred million sperm are produced daily in the

a. interstitial cells. b. prostate. c. seminiferous tubules. d. vas deferens. e. epididymis.

Biology & Microbiology

Which of the following would be an example of sexual selection? 

A. a sex ratio of 5 females to 1 male B. females avoid aggressive males C. male deer with poor eyesight are more often killed by accidents D. well-nourished females produce more offspring

Biology & Microbiology

Quorum sensing is ___:

a. the ability to respond to changes in population density b. a characteristic allowing secretion of a matrix c. dependent on direct contact among cells d. associated with colonies in broth culture

Biology & Microbiology

Organs that are commonly affected by drug toxicity include the kidneys and the liver.

Answer the following statement true (T) or false (F)

Biology & Microbiology