Ticks carry bacteria that cause Lyme disease. Ticks do not get Lyme disease, but they can transfer the bacteria to humans, who can get the disease. Which of the following statements best describes the relationships among the bacteria, the ticks, and the humans?

The interaction between a flower and the hummingbird that feeds on its nectar is an example of

Which of the following correctly describes the relationship between an orchid and a tree?

Which of the following describes parasitism?

The ecological relationship between a hawk and a rabbit is the same type of relationship as that between __________.

A clownfish uses a sea anemone as a safe place to live. While living there, the clownfish lures in food for the anemone. This is an example of what type of relationship?

Many lichens are composed of fungi and algae. The fungi get sugars from the algae, and the algae get water, minerals, and proteins from the fungi. Which of the following terms best describes the relationship between the organisms in the lichens?

Which of the following ecological relationships is demonstrated by a python crushing a piglet and swallowing it whole?

Two birds seeking the same food is an example of ________.

The nuthatches and brown creepers, forage on the same trees for insects in the forest of North America. Brown creepers feed on insects found near the bottom of the tree trunk, while nuthatches feed on insects in the top part of the tree. The difference in foraging behavior most likely affects the nuthatches and brown creepers by -