Many bacteria that exhibit gliding motility are able to use insoluble material that they encounter while gliding as a nutrient source.
Answer the following statement true (T) or false (F)
True
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Which statement concerning fertilization in ferns is true?
a. The sporophyte grows from a spore. b. The process requires water. c. The fertilization product is haploid. d. A spore is the product of fertilization. e. The process occurs outside the egg-producing structure.
what happens when the host experiences environmental stress? (release...multiply)
What will be an ideal response?
Refer to Figure 51-3. The amnion is identified by number:a
1. b. 2. c. 3. d. 4. e. 5.
Earth is generally hotter at the equator because:
A) the sun shines over the equator evenly through the year, rather than seasonally. B) Earth's rotation on a tilted axis creates an atmospheric drag at the equator, warming the air. C) the Earth receives the most direct sunlight over the course of the year at the equator. D) Earth's rotation on a tilted axis increases seasonality. E) the natural oval shape of Earth places the equator nearer the sun than the poles.