A group of species at any taxonomic rank in a phylogeny is a
A. taxon.
B. hierarchy.
C. outgroup.
D. genome.
E. clade.
A. taxon.
You might also like to view...
Results from lab tests reveal abnormally high endogenous hormone levels, and you suspect a possible tumor. What regions will you ask the MRI technician to focus on?
Cushing's syndrome causes weight gain, excessive sweating, and muscle weakness. It can result from either the production of abnormally high levels of cortisol by the body, or overuse of glucocorticosteroid drugs. You are an endocrinologist working with a Cushing's syndrome patient. She is on hormonal birth control pills and takes an occasional ibuprofen. A. hypothalamus, anterior pituitary, and adrenal cortex B. adrenal cortex only C. hypothalamus and posterior pituitary D. anterior and posterior pituitary Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about cortisol? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
How do viruses and viroids differ?
What will be an ideal response?
The major nitrogenous waste product in urine is uric acid.
a. true b. false
Formation of a tetraploid plant species from two different diploid parental species of plants is an example of
A. punctuated equilibrium. B. gradualism. C. extinction. D. a postzygotic barrier to evolution. E. a prezygotic barrier to evolution.