In the benthic zone of lakes and ponds, organisms that are attached to or move on a submerged substrate but do not penetrate it are referred to as ________
Fill in the blank(s) with correct word
periphyton
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The process by which DNA is reproduced, with the use of associated enzymes, is
A. DNA translation. B. catalyzed protein synthesis. C. DNA transcription. D. DNA replication. E. DNA ligation.
What does the accompanying figure represent?
A) the average energy budget values between male and female sand crickets in low v. medium v. high food environments B) the average energy budget values between long-winged and short-winged crickets in low v. medium v. high food environments C) the average energy budget values for low v. medium v. high food environments in two different species of sand crickets D) the average energy budget values in low v. medium v. high temperature environments for long-winged v. short-winged sand crickets
Secondary xylem contains all of the following cell types except:a
tracheids. b. vessel elements. c. sieve tube elements d. fibers. e. parenchyma
Genetic diversity can result when alleles are transferred from one population into another. What is the transfer of alleles from one population to another called?
A) gene flow B) replication C) mutation D) evolution