Destruction of which biome would result in the greatest loss of biodiversity?
A. desert
B. grassland
C. savanna
D. taiga forest
E. tropical rain forest
E. tropical rain forest
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The variables that investigators try to keep the same for both the experimental and the control groups are
(a) independent. (b) controlled. (c) dependent. (d) a and c.
Spines increase a cell's surface area, so the spiniest diatoms should be the most buoyant. Which selective force below might explain the observed shift in spine number?
a. More predators were present during the ice age, favoring diatoms with more spines b. Endothermic animals in colder climates tend to have smaller surface area to volume ratios to conserve heat c. Diatoms with more spines could swim better allowing them to stay afloat in colder water d. As Yellowstone Lake warmed up the water density decreased, favoring less buoyant diatoms e. During the ice age Yellowstone Lake would have received more light from reflection off of the snow, allowing diatoms to live at greater depths
Methane, which is composed of carbon and hydrogen, lacks functional groups and is a gas at room
temperature. Upon replacing one of the hydrogen atoms with a hydroxyl group, methane is converted to methanol, which is a liquid at room temperature. Explain the reason behind this difference in physical properties.What will be an ideal response?
Hormonal controls
What will be an ideal response?