Chapter 1 - Ecosystems Flashcards

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1
Q

Define stewardship.

A

Stewardship is a way of acting that involves taking personal responsibility for the management and care of something.

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2
Q

Define environment.

A

The environment is all the living and non-living things that exist in earth as well as their interactions with each other.

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3
Q

Define sustainability.

A

Sustainability in the environment means that populations of plants, animals, and other living organisms can continue to interact and to reproduce indefinitely.

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4
Q

Define biodiversity.

A

Biodiversity is the number of different types of organisms in an area. Higher levels of biodiversity means higher numbers of different types of organisms.

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5
Q

Define system and components.

A

A system is a group of individual parts that interact as a whole to accomplish a task.
The parts of a system are called components.

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6
Q

What is a holistic approach?

A

The holiest approach means that he entire system is emphasized. It is considered as a whole

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7
Q

Define ecology.

A

Ecology is the study of how organisms interact with each other as well as with their environment.

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8
Q

Define biotic and abiotic factors.

A

Biotic factors - living things, organisms

Abiotic factors - everything else; rocks, hours of daylight, air concentration in seawater

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9
Q

Define species and population.

A

Species - a group of similar organisms in an ecosystem. Can reproduce with each other.

Population - a group of members of the same species that live in the same area.

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10
Q

What is the physical environment of an organism called?

A

Habitat.

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11
Q

What is a community?

A

A community is made up of populations of different species that live and interact in an area.

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12
Q

What is niche?

A

Niche is all the interactions of a given species with its ecosystem.

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13
Q

List all the terrestrial biomes.

A
  • deciduous forests
  • boreal forests
  • tundra
  • grasslands
  • temperate coniferous forests
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14
Q

List the aquatic biomes.

A
  • marine biomes

* freshwater biomes

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15
Q

What is the atmosphere?

A

The atmosphere is the layer of gases that surrounds Earth.

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16
Q

What is the lithosphere?

A

The lithosphere is Earth’s solid, outer layer.

17
Q

What is the hydrosphere?

A

The hydrosphere is all the water on Earth.

18
Q

Describe the water cycle.

A

Evaporation, transpiration

Condensation

Precipitation

Run-off

Seepage/root uptake/runs into oceans