Week 1 Review

The nonliving aspects of an ecosystem.

• Abiotic factors
• Biotic factors

The living portions of the ecosystem.

• Biotic factors
• Abiotic factors

A collection of organisms that belong to different populations but all live in the same area and interact with one another.

• Population
• Ecosystem
• Community
• Ecosphere

A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.

• Population
• Community
• Habitat
• Ecosystem

What are the Abiotic factors in this image? 

• water, sunlight, dirt, air
• birds and plants
• birds, water, dirt
• plants, water

The area between the highest mountain and the deepest ocean where life can be found

• Biosphere
• Biome
• Farm
• Ecosystem

Different populations living and interacting with each other in the same area

• Biome
• Ecosystem
• Community
• Niche

Two or more members of a particular species living and interacting in the same area

• Community
• Population
• Organisms
• Biosphere

The study of how living things interact with one another and with their environment.

• Biology
• Lithology
• Ecology
• Farmacology

Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.

• mutualism
• commensalism
• competition
• parasitism