What is an Ecosystem-Hill

Ecology is the study of ​ (a)   of living things with their ​ (b)   environment. Ernst Haeckel coined the term ​ (c)   .

• interactions
• physical
• Ecology

​ (a)   factors are the living or once living factors including animal feces. The ​ (b)   ​ factors are ​ (c)   living things such as air, water, temperature.

• Biotic
• Abiotic
• not

​ (a)   consists of the community of biotic and abiotic factors (living and non-living) things. The ​ (b)   is all the organisms living together in an ecosystem. ​ (c)   is the variety of life and genetic diversity.

• Ecosystem
• community
• Biodiversity

Match the following

• All the organisms living together in an ecosystem

• Ecosystem

• Non-living things such as air, water, temperature

• Biotic

• Living things in an environment, plants, animals etc..

• Ecology

• consists of a community of biotic and abiotic factors

• Community

• Study of the interactions of living things with their physical environment

• Abiotic

The ​ (a)   includes all of the aquatic components, rivers, lakes, oceans. Water covers about ​ ​ (b)   of the total earth's surface. The Geosphere or ​ (c)   is the solid rocky part of the earth. The ​ (d)   ​ is the gases surrounding the earth. The ​ (e)   is the part of the earth and atmosphere where there are living things.

• hydrosphere
• 70%
• lithosphere
• atmosphere
• biosphere

Match the following

• Gases surrounding the earth

• Geosphere-Lithosphere

• Earth and atmosphere where there are living things

• Hydrosphere

• Lakes, rivers, streams

• Atmosphere

• solid rocky part of the earth

• Biosphere

​ ​ (a)   is the raising of crops or livestock for food that are useful to humans. While ​ (b)   represents the variety of organisms and genes in a given area. Your ​ (c)   is the calculation that shows the productive area of earth needed to support one person in a particular area.​

• Agriculture
• Biodiversity
• Ecological footprint

Match the following

• variety of organisms or genes in an area

• Ecological footprint

• raising or crops or animals for food.

• Agriculture

• What you need from the earth to support yourself

• Biodiversity

Any natural material that is used by humans such as water, oil, minerals is a ​ (a)   . The introduction of substances that are harmful to living organisms is called ​ ​ (b)   . A condition in which humans needs are met in a way that a human population can survive indefinitely is called ​ (c)   ​ .

• Natural resource
• Pollution
• sustainability

Match the following

• Learning how to raise crops and livestock so you always have food.

• Sustainability

• Smog, smoke, oil slicks in the ocean

• Natural resource

• Water, fossil fuels, Wood

• Pollution