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
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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
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
What key words does the question contain and what do they mean?
What will be an ideal response?
The different versions of genes that code for hair color and length are examples of
__________.
a. alleles b. meiosis c. chromosomes d. gene flow