Which organism is the most photosynthetically productive living organism that forms underwater forests over 100 meters long?
A. diatoms
B. brown algae
C. golden algae
D. red algae
E. green algae
Answer: B
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In what ways can biologists contribute to the challenges faced by humanity in the 21st century?
A. All of the answer options are correct. B. They can develop crops that yield more food in the face of changing environmental conditions. C. They can make predictions about how global change will impact species and communities. D. They can work with lawmakers to ensure that government policies are environmentally sound. E. They can develop new methods to fight diseases.
In a wilted leaf, the protoplast has shrunk away from the cell wall
a. True b. False
If a cell moves through water by moving the fluid over its surface, what does the cell mostly likely possess?
a. a capsule b. a cell wall c. cilia d. a flagellum
Compare and contrast infection with Taenia saginata and Echinococcus granulosus in humans, including the consequences of the infections.
What will be an ideal response?