Protecting the endangered black-footed ferret from extinction involved
A) captive breeding and reintroduction.
B) collecting individuals from multiple small populations and combining them into a single large population.
C) vaccinating the remaining population against sylvatic plague.
D) providing food during harsh winters.
Answer: A
You might also like to view...
Which of the following molecules can be used
as a cloning vector?
a. plasmids b. restriction enzymes c. recombinant DNA d. DNA fragments e. SNPs
Each of the following is a way cancer cells avoid growth and invasion restriction imposed by the immune system except
A) They produce a heterogeneous group of cells. B) They respond to density-dependent growth factors. C) They produce molecules that inhibit T lymphocyte function. D) They surround themselves with dense supporting tissue. E) They express low levels of surface antigens.
The short, hair-like structures that propel Paramecium through the water are called
A) cilia. B) flagella. C) pseudoplasmodia. D) vacuoles. E) pseudopods.
Which of the following prokaryotic cells contain an outer membrane?
A) Gram-negative bacteria only B) Gram-positive bacteria only C) both Gram-positive and Gram-negative bacteria D) archaea E) all prokaryotes