The viceroy butterfly (limenitis archippus) resembles the queen butterfly (danaus gilippus), a species toxic to birds because of alkaloids it stores during larval development from the milkweeds it feeds upon. The viceroy butterfly is an example of what kind of defense against predation?

#Question id: 10845

#Unit 10. Ecological Principles

Pseudomyrmex ants live exclusively in the swollen thorns of acacia trees. In return for food and shelter provided by the trees, the ants aggressively defend the tree from leaf-eating insects. This interaction between ants and acacias represents an example of

#Question id: 10846

#Unit 10. Ecological Principles

Many birds readily feed upon periodic cicadas when they emerge as adults. This interaction between birds and cicadas represents an example of

#Question id: 10847

#Unit 10. Ecological Principles

In the stomachs of ruminants, such as cows, certain microbes digest cellulose, a material the cow cannot digest itself. This interaction between cows and microbes represents an example of

#Question id: 10848

#Unit 10. Ecological Principles

Intraspecific competition

A. Is seen only in species of animals

1. Through time, hosts become more resistant to parasitic infections and, if they are to be successful, parasites become less likely to cause the death of their hosts. This is an example of

#Question id: 10849

#Unit 10. Ecological Principles

Plasmodium is transmitted from human to human by the bite of a mosquito carrier. In this scenario plasmodium is the ________, the mosquito is the ________, and _______ is the role played by the human.

#Question id: 10850

#Unit 10. Ecological Principles

A parasite that resides within its host is a(n)