All EXCEPT which of the following are
disadvantages to sociality?
a. predator avoidance
b. cannibalism
c. competition for food
d. contagious diseases
e. parasite infestation
A
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As climate changes because of global warming, plant species' ranges in the northern hemisphere may move northward. The trees that are most likely to avoid extinction in such an environment are those that _____
A) have seeds that are easily dispersed by wind or animals B) have thin seed coats C) produce well-provisioned seeds D) have seeds that become viable only after a forest fire E) disperse many seeds in close proximity to the parent tree
The term "plankton"
a. refers to a taxonomic division of algae. b. is a common term for microscopic organisms that drift or swim weakly in water. c. includes only multicellular forms. d. refers to small aquatic plants. e. would apply to large brown algae
Describe what is meant by a "conformational disease" and give an example. Why do you think these diseases exhibit late age of onset?
What will be an ideal response?
As an experiment, you infect bacteria with an unknown virus to see how the bacteriophage affects the bacteria. After a few days, you notice that the bacterial population is growing normally and that the cells appear healthy
Assuming that the infection occurred, what can you conclude from your observations? A) The virus is a bacteriophage that is reproducing the lytic cycle. B) The virus is a retrovirus that is reproducing the lytic cycle. C) The virus is a bacteriophage that is reproducing the lysogenic cycle. D) The virus is a retrovirus that is reproducing the lysogenic cycle.