In fish (select all correct choices):
A. nitrogenous waste excretion takes place
through the gills.
B. kidneys are primarily organs of water and
electrolyte balance.
C. kidneys are proportionally smaller than
they are in mammals.
D. kidneys are unsegmented.
E. renal tubules are permeable to water
regardless of the type of fish.
A,B
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Acridine orange is a planar molecule that intercalates into DNA and can cause insertion or deletion (indel) mutations. Which of the following molecules is also planar and likely to cause insertion or deletion mutations?
A. ethidium bromide B. lecithin C. methane D. capsaicin
Since quantitative traits are frequently associated with a number of genes and the environment, it is difficult to assign accurate phenotypic classes for a Punnett square diagram
Indicate whether the statement is true or false
Why are invasive species, like the Brown tree snake in Guam, so successful in their new range? Select all that apply.
_____ They are able to adapt to any type of climate. _____ Their new food source has no form of defense against them. _____ In their new range, they have few or no natural predators to control their population growth. _____ They can mimic other toxic species. _____ They have no carrying capacity in their new range.
A eusocial animal ______
a. lives alone b. works alone c. breeds continuously d. lives within a group with a reproductive division of labor e. least likely to exhibit altruistic behavior