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Q6: Bands of fibrous connective tissue that connect
Q14: The female plant structure on which a
Q47: An ovule usually develops directly into a
Q51: The basic unit of muscle contraction is
Q54: The ventilation of insect tracheal tubes is
Q57: Some amphibians:<br>A) may exchange gases across their
Q65: Which of the following is NOT a
Q68: The ability of animals to adjust to
Q79: The most abundant organisms in soil are:<br>A)
Q93: Biologists estimate that about 70% of all