Based on the taxa in the picture, which type of habitat is this?
A) fast stream
B) slow stream
C) pond
D) marine
A
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Explain the relationship among vital capacity, tidal volume, inspiratory reserve volume, and expiratory reserve volume.
What will be an ideal response?
The response to touch by such plants as the sensitive plant is due to
A. changes in water content of cells. B. auxin displacement in the touched area. C. effect of gibberellins on the area affected. D. sensitive responder cells.
What is a spermatheca?
a. a common body opening for the digestive, excretory, and reproductive systems b. an articulated appendage that functions to manipulate sperm and eggs for fertilization c. a specialized sac utilized by insects for long-term storage of sperm for later fertilization d. a stone or other surface to which fish adhere clusters of eggs using natural protein glues
Grasslands formerly covered 42 percent of the land surface of the Earth
Indicate whether the statement is true or false