Birds and crocodiles share which of the following characteristics?

A. Ectotherm
B. Body hair
C. Four-chambered heart
D. Lung design
E. Light-weight bones


Answer: C

Biology & Microbiology

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In the fungus pictured, which of the following structures is indicated by C?

A. mycelium B. hyphae C. fruiting body D. spores E. rhizoid

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Which of the following mediators would not be categorized as a cytokine?

A. A protein that is released by a bacterial cell following phagocytosis B. A protein that stimulates hematopoiesis C. A protein that regulates adaptive immunity D. A protein that regulates innate resistance mechanisms

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What key words does the question contain and what do they mean?

What will be an ideal response?

Biology & Microbiology

The different versions of genes that code for hair color and length are examples of

__________.

a. alleles b. meiosis c. chromosomes d. gene flow

Biology & Microbiology