Taxonomists tend to use the ____ to characterize species for classification
a. morphological species concept
b. biological species concept
c. evolutionary species concept
d. ecological species principle
e. genetic species principle
ANSWER: a
You might also like to view...
The drug level required for the clinical treatment of a particular infection is called the
A. therapeutic index. B. minimal inhibitory concentration. C. therapeutic dose. D. toxic dose.
Which of the following refers to the uptake of naked DNA from the surrounding environment?
A) conjugation B) generalized transduction C) specialized transduction D) transformation
Which of the following is a primary difference between ectomycorrhizae and endomycorrhizae?
A) Endomycorrhizae have thicker, shorter hyphae than ectomycorrhizae. B) Ectomycorrhizae do not penetrate root cells, whereas endomycorrhizae grow into invaginations of the root cell membranes. C) Endomycorrhizae are more common than ectomycorrhizae. D) There are no significant differences between ectomycorrhizae and endomycorrhizae.
Identify the following reaction: Lactose + H2O ? Glucose + Galactose
A) dehydration synthesis reaction B) hydrolysis reaction C) exchange reaction D) reversible reaction E) ionic reaction