Which of the following is not a characteristic of salps?
a. Free-swimming lifestyle
b. Incurrent and excurrent siphons
c. Radial symmetry
d. Bioluminescence
e. Filter-feeding
C
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Which one of the following best describes genotype-by-environment interaction?
A. Genetic and environmental factors combine to influence phenotype. B. The genotype of an organism determines how that organism will behave in its environment. C. The environment of an organism determines the genetic make-up of that organism. D. Under certain circumstances, two organisms with identical genotypes have different phenotypes. E. Under certain circumstances, two organisms with identical phenotypes have different genotypes.
What are the effects of long term excessive alcohol consumption on the liver?
a. fat accumulation and abnormal discoloration of the liver b. scarring, hardening, and increased fat metabolism c. increased ability to degrade fats and toxins d. decreased production of ethanol and cholesterol e. scarring, hardening, and fat accumulation
What molecule is the body’s main energy source?
a. oxygen b. carbon dioxide c. glucose d. fats e. proteins
Which of the following is the part of a flower that contains the female reproductive structures?
A) carpel B) stamen C) sepal D) petal