In a simple food chain, a frog eats insects, and a snake eats the frog. The primary role of the frog in the food chain is _____________________. a) to be a source of energy b) to find a space to live c) to start a new species d) to make an ecosystem

Which of the following best describes bycatch? a. dividing catch of marine life among fishing boats b. bonus catch of marine life, such as increased numbers of intended catch c. unintentional catch of nontarget marine life in fishing gear d. catching too much of a target species of fish

Abiotic factors are important to biotic organisms because they include    A.Weather and rocks B. Resources and conditions C. Single-celled organisms  D. Plants and bacteria

Which of the following areas of study focuses onthe exchange of energy, organisms, and materialsbetween ecosystems?(A) organismal ecology(B) landscape ecology(C) ecosystem ecology(D) community ecology

When a population of organisms is evolving, what can you be sure is happening? a. No change is occurring b. It is improving c. It is becoming more human-like d. It is changing

A pack of wolves is making its way to a place in which there are many zebras. What is the negative outcome of their encounter based on their symbiotic relationship?  a.  The zebras will not do anything b. The wolves will move out from the place. c. The zebras will feed the wolves with grass. d. Wolves will kill a zebra.

The study of nutrient cycling though the environment is an example of which of the following? a. organismal ecology b. population ecology c. community ecology d. ecosystem ecology

When climbing a mountain, we can observe transitions inbiological communities that are analogous to the changes(A) in biomes at different latitudes.(B) in different depths in the ocean.(C) in a community through different seasons.(D) in an ecosystem as it evolves over time.

Which of the following describes a bacterium that lives in the human intestine and causes disease? A. commensalist B. decomposer C. gut mutualism D. symbiotic pathogen