Describe 2 adaptations of sea turtles that allow them to live in the marine environment. How are these turtles different from land turtles?
What will be an ideal response?
First, sea turtles have modified paddle-shaped limbs that allow these animals to swim efficiently. Sea turtles also have a lighter and smaller shell than terrestrial turtles, which makes them more buoyant and less encumbered. Sea turtles, unlike terrestrial turtles, cannot retract their heads inside their shells.
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Anti-human-gamma-globulin antiserum is often used in
A. direct fluorescent antibody tests. B. complement fixation test. C. radioimmunoassay. D. indirect fluorescent antibody tests. E. indirect ELISA, Western blot, AND indirect fluorescent antibody tests.
Dense connective tissue is indicated by the letter ____
a. A b. B c. C d. D e. E
Life is organized in a hierarchical fashion. Which sequence correctly lists that hierarchy from least inclusive to most inclusive?
A) ecosystem, population, organ system, cell, community, molecule, organ, organism, organelle, tissue B) cell, molecule, organ system, organ, organelle, population, tissue, organism, ecosystem, community C) molecule, cell, organism, organ system, tissue, population, organ, organelle, community, ecosystem D) molecule, organelle, cell, tissue, organ, organ system, organism, population, community, ecosystem
The most severe form of malaria, called "blackwater fever" is caused by Plasmodium (falciparum/malariae/ovale/vivax).
Fill in the blank(s) with the appropriate word(s).