How does inefficient transfer of energy among trophic levels result in the typically high endangerment status of many top-level predators?
A) Top-level predators are destined to have small populations that are sparsely distributed.
B) Predators have relatively large population sizes.
C) Predators are more disease-prone than animals at lower trophic levels.
D) Predators have short life spans and short reproductive periods.
E) Top-level predators are more likely to be stricken with parasites.
Answer: A
You might also like to view...
Which of the following would be a possible consequence of a disorder that selectively destroys the T regulatory cells in a patient?
A) impaired antibody production B) autoimmune diseases C) frequent infections with parasitic pathogens D) increased incidence of certain cancers E) frequent infections with viral and fungal pathogens
In terms of overall methylation, what is the most accurate way to describe the genomes of cancer cells?
A) Cancer cells have an overall hypomethylated genome compared to healthy cells. B) Cancer cells have equivalent methylated genomes compared to healthy cells. C) A few types of cancers are have hypomethylated genomes, but it is not common in most types of cancers. D) Cancer cells have an overall hypermethylated genome compared to healthy cells. E) A few types of cancers are have hypermethylated genomes, but it is not common in most types of cancers.
Movement of a body part toward the body midline is called _____
rotation supination adduction circumduction
How can changes in genetic enhancers affect morphology?
What will be an ideal response?