Phylogeny is the apparent
a. name of an organism.
b. ancestry of an organism.
c. nomenclature.
d. dichotomy of a system of classification.
b
You might also like to view...
Over 50 percent of all sales of medically important antibiotics in the United States are for livestock use. Why is this problematic for humans?
A. The use of antibiotics for livestock means that there are not enough for use in the human population. B. The animals may become sick from the antibiotic ingestion. C. Resistant bacteria grow in the animals and may then be passed to humans. D. The livestock will become resistant to the antibiotics and not respond to treatment when they have infections.
The organisms that cause strep throat, pneumonia, and botulism are
A. viruses. B. bacteria. C. protozoa. D. fungi.
Why is it necessary to take special safety precautions when using radioactivity?
A. Radioactive substances decay. B. Radioactive substances will perforate plasma membranes. C. Radioactive substances will ionize cells. D. Radioactive substances have the potential to cause damage to living cells.
During axonal projection, guidance cues bind to its receptors expressed on the plasma membrane of the (A)________, followed by organization of (B)___________.
a. (A) growth cone (B) cell body b. (A) synaptic terminal (B) cell body c. (A) growth cone (B) filopodia and lamellipodia d. (A) synaptic terminal (B) filopodia and lamellipodia