The most common pioneer species are mosses and lichens
Indicate whether the statement is true or false
TRUE
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The ____ are tropical and subtropical gymnosperms that resemble palms
a. foxtails b. gingkoes c. gnetophytes d. cycads e. conifers
The term “respiration” in animals refers to the ____
a. movement of oxygen into an animal only b. movement of carbon dioxide out of an animal only c. movement of oxygen into an animal and the movement of carbon dioxide out of the animal d. binding of oxygen to hemoglobin molecules in the blood e. diffusion of oxygen across a cell membrane
Which of the following is NOT a cause of increasing CO2 levels?
A) burning of fossil fuels B) home energy use C) production of manufactured goods D) creating compost piles from vegetable waste
Pseudomonas bacteria colonized the bile duct of a patient following his liver transplant surgery. This is an example of a
A) communicable disease. B) latent infection. C) nosocomial infection. D) sporadic disease. E) None of the answers is correct.