Unit 1 Test

What is the study of relationships among living organisms and the interactions the organisms have with their environment?

• habitat

• abiotic factors

• symbiosis

• ecology

What is the definition for a biome?

• the portion of Earth that supports life

• the relationship that exists between two or more species that live together

• nonliving factors in an organism's environment

• large group of ecosystems that share the same climate and have similar types of communities

Name an Abiotic Factor

Name a Biotic Factor

Mosquitoes bite humans so they can feed on their blood. Malaria lives in human blood and makes them sick. What kind of relationship is this?

• mutualism

• commensalism

• parasitism

What is a food chain?

• simple model that shows how energy flows through an ecosystem

• organism that eats both plants and animals

• heterotrophs that prey on other heterotrophs

• an organism that gets its energy from eating another organism

What is the average weather condition in an area?

• community

• climate

• desert

• latitude

Someone is moving into a country. What is this called?

• Immigration

• Emigration

What is the definition of extinction?

• all materials and organisms found in a biosphere

• the variety of ecosystems that are present in the biosphere

• entire species permanently disappear from the biosphere when the last member of the species dies

• excessive use of species that have economic value

Name a renewable resource