Which of the following statements about gills are true? Choose all that apply. (2)

What will be an ideal response?


-Gills rely on diffusion to release carbon dioxide waste from the blood.
-Gills are fibrous respiratory organs used to extract oxygen from seawater.

Biology & Microbiology

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If the actual results most closely resembled those in part (A) in the figure above, then a further question arising from these data is:

"Do the Dawsonia rhizoids have to be alive to reduce soil nitrogen loss, or do dead rhizoids have the same effect?" Arrange the following steps in the correct sequence to test this hypothesis. 1. Add metabolic poison to the soil of the experimental plot of mosses. 2. Apply water equally to the experimental and control plots. 3. Measure initial soil nitrogen contents of control and experimental plots. 4. Determine nitrogen loss from soil of control and experimental plots. 5. Establish two identical plots of Dawsonia mosses; one as a control, the other as the experimental treatment. A) 5 ? 1 ? 3 ? 2 ? 4 B) 5 ? 2 ? 3 ?? 1 ? 4 C) 5 ? 3 ? 1 ?? 2 ? 4 D) 4 ? 5 ? 1 ? 3 ?? 2 E) 5 ? 3 ? 2 ?? 1 ? 4

Biology & Microbiology

Assuming independent assortment for all gene pairs, what is the probability that the following parents, AABbCc à— AaBbCc, will produce an AaBbCc offspring?

A) 1/2 B) 1/16 C) 1/8 D) 3/4 E) 9/16

Biology & Microbiology

The pattern of locomotion used by gibbons and siamangs, in which they use their arms to hang below branches and

swing forward, is called ____.

a. bipedal movement b. peristalsis c. gliding d. brachiation e. orthokinesis

Biology & Microbiology

Which of the following organisms makes its own food using energy from the environment and carbon from inorganic molecules such as CO2?

A. Stromatosomes B. Heterotrophs C. Autotrophs D. Eukaryotes E. Bacteria

Biology & Microbiology