Identify and briefly describe three biogeographical realms as described by Wallace. What will be an ideal response?
Nearctic and Palearctic realms: mainly North America (Nearctic) and Eurasia (Palearctic). Contain
plants and animals adapted to cold climates.
Neotropical realm: Central and South America; opossum, armadillo and porcupine are unique to this
realm.
Ethopian realm: most of Africa; contains the most varied vertebrates of all realms.
Oriental realm: parts of India and Southeast Asia; contains the fewest endemic species of all the
tropical realms
Australian realm: Australia and New Guinea; no native placental mammals, but marsupials and
monotremes predominate.
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If looking to discover a new organelle, which are located inside the cell, what kind of microscope must be used?
a. brightfield microscope b. transmission electron microscope c. scanning electron microscope d. compound light microscope.
____ increases the frequency of adaptive mutations in a population over time
a. Fitness b. Natural selection c. Artificial selection d. Adaptive radiation e. Macroevolution
Club mosses belong to the phylum Bryophyta. Indicate whether the statement is true or false
Alternate forms of a gene are best described as _____
A. homologues B. loci C. alleles D. homozygous E. heterozygous