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
Alternate forms of a gene are best described as _____
A. homologues B. loci C. alleles D. homozygous E. heterozygous
Club mosses belong to the phylum Bryophyta. Indicate whether the statement is true or false