How can predators influence the species richness and structure of communities?
a. Increasing the carrying capacity of their prey.
b. Destabilizing competitive interactions among their prey.
c. Increasing the population sizes of disease organisms.
d. Increasing the population sizes of their prey.
e. Reducing the population sizes of their prey.
E
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Identify this vertebrate structure. What do the rings present?
What will be an ideal response?
Which of the following lists the organization of a mammalian body from least to most complex?
A. tissue—cell—organ system—organ B. organ system—organ—tissue—cell C. cell—tissue—organ—organ system D. tissue—organ—cell—organ system E. organ—organ system—tissue—cell
In freshwater sponges and other simple freshwater
animals, water flows into the body by __________. Fill in the blank(s) with the appropriate word(s).
_____ have the most efficient respiratory system of any living vertebrate
a. Amphibians b. Birds c. Mammals d. Fish e. Nonavian reptiles