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Grade 11 Environmental Science > Ecology > Flashcards

Ecology Flashcards

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1
Q

Name FOUR contemporary environmental challenges

A

Climate change, loss of biodiversity, Chemical pollution, land use changes, water cycle (access to fresh water)

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2
Q

Define stewardship using a Catholic perspective

A

We are supposed to care for God’s creation. We are supposed to use the resources responsibly and share them justly with others.

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3
Q

Explain why Gaia Hypothesis is in contradiction with Catholic teaching.

A

It is because we are supposed to worship the Creator not his creation by accumulating wealth and therefore depriving others of access to e.g. safe drinking water or fuel for heating, etc.

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4
Q

What is a food chain?

A

shows what eats what in the ecosystem

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5
Q

What is a food web?

A

Several food chains in the ecosystem that show the real representation of what eats what

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6
Q

What is ecology?

A

The study of the relationships between living things and their environment

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7
Q

What is a producer? Give an example

A

An organism (living thing) that makes its own food. Plants- e.g. tree

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8
Q

What is a consumer? Give example

A

An organism that gets food by eating other organisms. E.g. animal - fox eats mice

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9
Q

What is a herbivore? Give example

A

An animal that only eats plants. E.g. cow

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10
Q

What is an omnivore? Give example

A

An animal that east both plants and animals. E.g. racoon or bear

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11
Q

What is a carnivore? Give example

A

An animal that feeds on other animals. E.g. lion

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12
Q

What is detritus?

A

Waste from animals and plants including their remains.

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13
Q

What is a decomposer? Give example

A

An organism that breaks down detritus and release the nutrients to the soil and water. E.g. bacteria

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14
Q

What is a habitat?

A

The place where an animal lives.

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15
Q

What is a niche?

A

A role (job) of a living thing. For example lion is a predator.

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16
Q

What is a population?

A

All the living things of the same species living in the same area. (E.g. all squirrels living in a forest)

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17
Q

What is a community?

A

All the organisms living in a certain area

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18
Q

What is a biome?

A

An area of a biosphere with a characteristic vegetation determined by its temperature and rainfall

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19
Q

What is an ecosystem?

A

Living and non-living parts of a specific environment. E.g. ocean, jungle, forest, etc.

20
Q

What is a biosphere?

A

The narrow zone of life on earth

21
Q

What is the trophic level?

A

The feeding level of an organism in a food chain or food web.

22
Q

What is a food web?

A

Combining or overlapping of many food chains.

23
Q

What is photosynthesis?

A

The food making process in plants.

24
Q

What is respiration?

A

Process by which organisms obtain energy from food.

25
Q

Air, muddy lake bottom, sunlight and water are examples of these parts of the ecosystem.

A

Non-living

26
Q

Frogs, minnows, bacteria and algae are examples of these parts of the ecosystem.

A

Living.

27
Q

How much of the energy is available to the next trophic level?

A

10%

28
Q

All food chains begin with _______________s

A

Producers

29
Q

Why are the producers always at the beginning of a food chain? Why can’t consumers be at the beginning of the food chain?

A

Producers can make food by using the energy from the sun. Consumers cannot use the sun energy to make food, therefore they rely on eating other things, like producers and/or other consumers.

30
Q

What biome do we live in?

A

Deciduous forest

31
Q

Give examples of three biomes, other the one we live in.

A

Desert, coniferous forest, grassland, tropical rainforest, and tundra

32
Q

Permafrost is a characteristic of what biome?

A

Tundra

33
Q

In which biome the fewest animals survive?

A

Desert

34
Q

Which biome supports the most plant and animal species?

A

Tropical rainforest

35
Q

What is the name of the biome that is made up of trees such as pines, spruce, and fir?

A

Coniferous forest

36
Q

What is the name of the biome in which most trees loose their leaves in the late autumn?

A

Deciduous forest

37
Q

What do we call the release of energy by living things?

A

Respiration

38
Q

What are the waste products of respiration?

A

Carbon Dioxide and water

39
Q

What fuel do living things use for energy?

A

Glucose

40
Q

What is the food making process of plants called?

A

Photosynthesis

41
Q

What are the starting products of photosynthesis?

A

Carbon Dioxide and water

42
Q

What are the end products of photosynthesis?

A

Glucose and oxygen

43
Q

What are the starting products of respiration?

A

Glucose and oxygen

44
Q

What are the end products of respiration?

A

Carbon dioxide and water

45
Q

In addition to carbon dioxide and water what else is required for photosynthesis to take place?

A

The green substance called chlorophyll and sunlight.

Grade 11 Environmental Science (1 decks)

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