Which of these is not a characteristic of an open circulatory system?

A. Blood is enclosed within blood vessels.
B. It is found in mollusks and arthropods.
C. It contains hemolymph.
D. There is no distinction between blood and interstitial fluid or lymph.


Answer: A

Biology & Microbiology

You might also like to view...

Chitin-reinforced bristles that protrude outward from the body wall and are used by most segmented

worms to anchor themselves against a substrate are called

a. metanephridia. b. parapodia. c. septa. d. clitella. e. setae.

Biology & Microbiology

Explain the general process of sensory transduction

What will be an ideal response?

Biology & Microbiology

________ competition results when nonterritorial behavioral interactions between two species result in negative effects on both species

Fill in the blank(s) with correct word

Biology & Microbiology

A researcher studying the impact of agricultural pesticides on native plants discovers a bacterium capable of degrading small amounts of a specific pesticide. The researcher then modifies the bacterial species in the lab to increase the rate of pesticide

degradation. This research represents A) applied microbiology. B) environmental microbiology. C) food microbiology. D) both food microbiology and environmental microbiology. E) both applied microbiology and environmental microbiology.

Biology & Microbiology