Why is territoriality an adaptive behavior for songbirds maintaining populations at or near their carrying capacity?
A) Songbirds expend a tremendous amount of energy defending territories so that they spend less time feeding their young and fledgling mortality increases.
B) Only the fittest males defend territories and they attract the fittest females so the best genes are conveyed to the next generation.
C) Songbird males defend territories commensurate with the size from which they can derive adequate resources for themselves, their mate, and their chicks.
D) Many individuals are killed in the ritualistic conflicts that go along with territorial defense.
E) Songbirds make improvements to the territories they inhabit so that they can all enjoy larger clutches and successfully fledged chicks.
Ans: C) Songbird males defend territories commensurate with the size from which they can derive adequate resources for themselves, their mate, and their chicks.
You might also like to view...
Which statement best describes the gametes of most animals?
a. A sperm is large and motile; an egg is small and nonmotile. b. A sperm is small and nonmotile; an egg is large and motile. c. A sperm is large and nonmotile; an egg is small and motile. d. A sperm is small and motile; an egg is large and nonmotile. e. The sperm and egg are about the same size, but only the sperm is motile.
Briefly describe the ecology and trophic abundance of the Southern Ocean
What will be an ideal response?
The ________ class of immunoglobulins is the most common type and is the only type that can cross the placenta to pass on the mother's acquired immunity to the developing fetus
Fill in the blank(s) with correct word
Individuals who have been infected by varicella-zoster virus may develop (Kaposi's sarcoma/shingles/whitlows) later in life if they experience severe stress or immune suppression.
Fill in the blank(s) with the appropriate word(s).