Compared to freshwater fishes, marine fishes:
What will be an ideal response?
tend to lose water by osmosis since their internal salt concentration is lower than that of seawater
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Answer the following statements true (T) or false (F)
1. A bacterial infection such as pneumonia is most likely caused by organisms derived from the animal kingdom. 2. All genetic mutations are harmful to an organism. 3. Vertical evolution, whereby living organisms evolve from a common ancestor ("tree of life"), is the only mechanism of evolution on Earth. 4. The effects of a genetic mutation are always limited to simply a change in DNA sequence with little consequence on the proteins expressed. 5. The proteome, rather than genome, is most directly responsible for the structure, function, and appearance of organisms.
Connective tissue serves to support and bind other tissues. Which of the following is NOT an example of connective tissue?
A. Bone B. Cartilage C. Neurons D. Fat E. Blood
Which of the following are cycled in an ecosystem?
a. carbon b. heat c. phosphorous d. carbon and heat e. carbon and phosphorous
Which of the following refers to the amino acid sequence of proteins?
A) Primary B) Secondary C) Tertiary D) Quaternary