Animals with the kind of body cavity that forms between the endoderm and mesoderm, such as nematodes, are called
A. semicoelomates.
B. acoelomates.
C. pseudocoelomates.
D. coelomates.
Answer: C
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The conducting tissue found in vascular plants that functions in transportation of materials throughout the plant, but does not lend structural support to the stem is
A. xylem. B. phloem. C. sporopollenin. D. endosperm. E. lycophyll.
All microscopes have objective "lenses."
a. True b. False
El Niño is a recurring weather phenomenon that ____
a. increases global warming b. stabilizes world climates c. produces a fluctuation in global weather d. depletes the ozone layer e. increases oceanic productivity
Tundra is divided into alpine tundra at the top of mountains and arctic tundra found close to the North Pole. These two biomes have similar plants and animals even though they can be located in vastly different regions of the world. What causes these two biomes to be similar?
Select one: a. Both are found close to coniferous forests. b. One is cold and dry because it is at a high latitude and the other is cold and dry because it is at a high altitude. c. Both are located in areas of intense sunshine. d. One grows mostly grasses because the soil is poor and the other grows mostly grasses because the soil is frozen. e. Both have large grazing herds that keep the grasses clipped short.