Which of the following is NOT a strategy for successfully avoiding interspecific competition?
A. Producing substances that are toxic to competitors
B. Eating fruit before it is ripe for other species
C. Trees spreading seeds or offspring far and fast
D. All of these are strategies for successful interspecific competition
Answer: D
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Look back to Figure 10.6. Given your additional learning about convection in Chapter 20, explain the slopes of the lines between points A and A', and between B and B' in Figure 10.6
What will be an ideal response?
The arrangement of the hydrogen and oxygen atoms in a water molecule causes the water molecule to ________.
A. orient in only one direction B. lose heat rapidly C. slide past other water molecules D. be polar E. have a lattice arrangement in the gaseous state
The arrows along the horizontal and vertical axes show lesser and greater amounts of ________ and greater and lesser amounts of ________ related to mass wasting.
Fill in the blank(s) with correct word
Many economically important metallic elements like gold and silver are disseminated throughout magma. Why are we able to mine these metals?
A) They are easy to pick out of lava flows with tools that reach a few meters away. B) They don't melt; they float in lava flows and are then trapped when the lava melts; humans go in and mine the lava flows. C) They become concentrated by fractional crystallization into the last bit of the magma that remains after most of the silicate minerals have formed. D) They float up to the surface of the lava and harden on top of the flow.