Use the concept of coevolution to explain the abundance of large mammals in Africa after the rise of
humans but their rapid demise in the Americas after the arrival of humans. What will be an ideal response?
In Africa, the large mammals were able to coevolve with human populations. They were able to adapt
to humans as they slowly went from harmless to dangerous with the advent of hunting skills. On the
other hand, the humans who arrived in the Americas were already skilled hunters. The native
mammals lacked the time to evolve to this new predator. In many ways, the arrival of humans in the
Americas had more in common with an invasive species.
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Which of the following is an endothermic process?
A) combustion reactions B) adding a strong acid directly to water C) oxidation of metals D) ice melting E) neutralization reactions of the addition of strong acid directly to a strong base
Identify the numbered items in the accompanying figure. Include the following terms in your description. • presynaptic neuron • postsynaptic neuron • neurotransmitters waiting to be released • neurotransmitters released by the nerve impulse • synapse • receptors with bound neurotransmitters
What will be an ideal response?
Which is an example of warning coloration?
a. The dark brown mane of a lion b. The bright green and blue feathers of a peacock c. The black and yellow bands of a wasp d. The black and white stripes of a zebra e. The bright red color of roses
The connective tissue with a rich blood supply but
with the least amount of extracellular material is a. cartilage. b. adipose. c. bone. d. loose connective. e. dense connective.