Australia and Eurasia each have a mouse-like mammal, one a marsupial, the other a placental. These distantly related
species are an example of ____.
a. disjunct dispersal
b. disjunct vicariance
c. adaptive radiation
d. convergent evolution
e. distant migration
ANSWER: d
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Under the Linnean system of classification which level is an immediate subcategory of Phylum?
a. Species b. Kingdom c. Family d. Order e. Class
The organisms that occupy the first trophic level near hydrothermal vents are:
a. detritivores b. chemoautotrophic bacteria c. decomposers d. photosynthetic bacteria e. photosynthetic algae
If red coat is homozygous dominant in horses
and white coat is homozygous recessive, in a cross between a homozygous dominant redcoated horse and a white-coated horse, what would the result be in the offspring?
a. all homozygous recessive b. all homozygous dominant c. half homozygous dominant and half homozygous recessive d. all heterozygous e. half heterozygous and half homozygous dominant
Sexual reproduction _____
a. leads to uniform characteristics in a population b. results in new combinations of genetic traits c. requires less tissue differentiation than asexual reproduction d. produces genetic clones e. produces genetic clones and requires less tissue differentiation than asexual reproduction