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Science > Science Unit A > Flashcards

Science Unit A Flashcards

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Biology 101 flashcards
0
Q

Mutualism

A

This is a relationship in which both species in the relationship benefit

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1
Q

Commensalism

A

This is a relation ship where one species benefit while the other neither benefits nor is harmed

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2
Q

Parasitism

A

This is a relationship in which one species while the other is harmed

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3
Q

Consumer

A

Any organism that has to seek out and eat or consume other living things for food

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4
Q

Producer

A

Are able to make their own food supply the matter and energy they need to survive

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5
Q

What is the outcome of photosynthesis?

A

Glucose/Sugars+Oxygen

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6
Q

What is needed for the process of photosynthesis?

A

Carbon dioxide+water+ light energy

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7
Q

What is needed cellular respiration?

A

Food+oxygen

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8
Q

What is the outcome of cellular respiration?

A

Carbon dioxide, water, ATP(energy)

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9
Q

What is an eco system?

A

Any place where living things interact with other living and non living things in an ecosystem

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10
Q

What is biotic?

A

Living things

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11
Q

What is abiotic?

A

Non living

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12
Q

What does population mean?

A

When a number of species live together in the same area

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13
Q

Species

A

Living things of the same kind that are able to reproduce

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14
Q

What is a community?

A

All the populations of different species that live and interact in the same place form a community

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15
Q

What do living things need?

A

Water, food, energy, oxygen, suitable living conditions

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16
Q

What is adaption?

A

Adaption is how species respond to their environment

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17
Q

Can living choose how they will adapt?

A

No

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18
Q

How are we affecting the environment with garbage?

A

We are starting to use material that cannot be broken down like plastic

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19
Q

What are some garbage solutions?

A

Recycling, composting, incinerating, household hazardous waste operations, and sanitary landfills

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20
Q

What is a carnivore?

A

They consume mainly other animals

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21
Q

What is a herbivore?

A

They consume mainly plants

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22
Q

What is the process of photosynthesis?

A

The roots take in water
Leaves take in carbon dioxide
Leaves absorb Suns energy
The leaves produce oxygen to the air

23
Q

Cellular respiration?

A

It combines sugar and oxygen to make energy, carbon dioxide and water

24
Q

Scavengers?

A

An organism that feeds off remains of dead animals that are killed by consumers

25
Q

Decomposers?

A

A living thing rant breaks down animals and plants or animal and plant waste

26
Q

Why are decomposes essential to all ecosystems?

A

They keep from being buried by dead organism

27
Q

What is a food chain?

A

It is a convenient way to show how energy moves among living things

28
Q

What is a primary consumer?

A

They are usually herbivore like a rabbit eating grass

29
Q

What is a secondary consumer?

A

It is usually a carnivore like a snake that eats the rabbit

30
Q

What is a tertiary consumer?

A

They are eaten by other consumers

31
Q

Where do most plants get their energy from?

A

Most get it from the sun

32
Q

How much energy is stored in the roots ?

A

10%

33
Q

How much energy does the herbivore use?

A

They use 90% of the ten percent that they got from the plant

34
Q

How is energy used?

A

Energy from the sun➡️producer➡️herbivore➡️carnivore then back into the environment

35
Q

What is a food chain?

A

They show the direction in which energy and nutrients are being passed in the food chain

36
Q

What do food chains usually start with?

A

Plants and grasses

37
Q

Water Cycle?

A

Precipitation➡️ Collection ➡️ Evaporation➡️ Condensation

38
Q

What is bioinvasion?

A

Accidental or planned introduction of a non-native species into a community

39
Q

What is competition?

A

When different species compete for food water and a space to live

40
Q

What is predation?

A

An animal that gets its good by killing other organisms

41
Q

What things affect ecosystems?

A

Bioinvasion, competition, predation, weather

42
Q

What are pioneer species?

A

The first plant or animal to live in an area

43
Q

What are pioneer species usually?

A

Grass, weeds, …

44
Q

What is primary succession?

A

Primary succession occurs in areas where no life exists due to the absence of soil.

45
Q

What plants usually grow in primary succession?

A

Lichen usually grows first because it is suited to grow in rocky places

46
Q

What is the process of primary succession?

A 
Lichen grows
it breaks down the rocks
the rocks turn to soil,
Grass and weeds start to appear
then shrubs and trees
47
Q

What is a climax community?

A

A climax community forms when succession starts and remains until another community starts. A climax community is a stable community of a diverse number of species that is not easily replaced by another community

48
Q

What is secondary succession?

A

It occurs when a community has been destroyed or disturbed by natural occurrences or human activities

49
Q

What happens when people add chemicals to ecosystems?

A

It kills many species, it is like a chain reaction

50
Q

Why are many species extinct?

A

Because of the human impact on earth

51
Q

When are some species considered endangered?

A

Organisms that are rare or In danger of becoming extinct

52
Q

Why were the peregrine falcons dying?

A

Because of pesticides used in farms that were making the eggshells thin and break

53
Q

How did they solve the peregrine falcons problem?

A

They created captive breeding environments

54
Q

Why was the ecological footprint created?

A

They wanted a way to measure the environmental impact of human activities

55
Q

How does ecological footprint work?

A

They looked at food, housing, transportation, consumer goods and calculated how much energy, materials and land needed

Science (11 decks)

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