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Dyllan's decks for studying > Science-Ecology Unit test > Flashcards

Science-Ecology Unit test Flashcards

1
Q

Food Chains

A

Show a sequence of feeding from one organism to another

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2
Q

Ecosystem are made up of two factors

A

Biotic (living) and abiotic (non-living)

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3
Q

sustainable ecosystems

A

One thing that is able to thrive and support it self without outside influence or assistance

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4
Q

4 parts of an ecosystems

A
  1. population 2. community 3. biome 4. Biosphere
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5
Q

Population

A

All organisms of same species living together

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6
Q

Community

A

Population of different species living in the same place

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7
Q

Biome

A

A complex community of plants and animals living in a large area having a similar ecosystem

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8
Q

Biosphere

A

The parts of the plant where all life exists

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9
Q

Biodiversity

A

Number or different organisms in an area

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10
Q

Niche

A

is the role an organism plays in their environment

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11
Q

Habitat

A

is the environment that an organism occupies

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12
Q

Which two sources do organisms get their energy from

A

Autotroph and heterotroph

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13
Q

How do autotrophs get their food

A

They make their own food from photosynthesis

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14
Q

How do heterotrophs get their food

A

Biotic environment

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15
Q

4 key components to the earths surface

A
  1. Atmosphere 2. Lithosphere 3. Hydrosphere 4. Biosphere
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16
Q

Primary producers and consumers

A

Autotrophs and herbivore

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17
Q

Infraspecific competition

A

Competition between individuals of the SAME species EX: two lions fighting over a mate

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18
Q

Interspecific competition

A

Competition between DIFFERENT species EX: owls and hawks both eating mice

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19
Q

predator- prey relationship

A

Advantage - Disadvantage

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20
Q

competition

A

Disadvantage- Disadvantage

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21
Q

Mutalism

A

Advantage - Advantage

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22
Q

Commensalism

A

Advantage - No effect

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23
Q

paratism

A

Advantage- Disadvantage

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24
Q

Herbivore

A

Plants

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25
Q

carnivore

A

Animals

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26
Q

Omnivore

A

Plants and animals

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27
Q

Predator

A

Animals (prey)

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28
Q

Scavenger

A

Already dead animals

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29
Q

Decomposer

A

Breaks down dead organisms and eats their waist

30
Q

Radiant energy

A

Travel directly from the sun

31
Q

Thermal energy

A

Present during heating and cooling

32
Q

Light Energy

A

Visible forms of radiant energy

33
Q

What creates glucose or thermal energy from light energy

A

Producer

34
Q

Photosynthesis formula

A

Carbon dioxide + water + energy = sugar + oxygen

35
Q

Reactants and product of photosynthesis

A

Reactant = Carbon + water
Products = Sugar + oxygen

36
Q

What happens to the light energy in the process of photosynthesis

A

Light energy is converted to chemical energy which can later be used by a plant

37
Q

cellular respiration formula

A

Sugar + Oxygen = water + carbon dioxide + energy

38
Q

Reactants and products of cellular respiration

A

Reactants = sugar, oxgyen
Products = water, carbon Dioxide, Energy

39
Q

Trophic level

A

Starting with producers ending with consumers

40
Q

Atmosphere

A

Leather of gases surrounding the Earth

40
Q

Arrows in a food chain represents what ?

A

Shows how energy is being passed along

41
Q

Lithosphere

A

Earth solid Outer layer

42
Q

Hydrosphere

A

All the earths water in solid, liquid, and gas form

43
Q

Biosphere

A

The zone around the earth where life can exist

44
Q

Lithosphere

A

The rocky outer shell of the Earth. (rocks, minerals, mountains, earth’s crust and mantle, etc.)

45
Q

Photosynthesis
Reactants
Products:

A

Reactants: Sugar and oxygen
Products: Carbon dioxide, water , energy

46
Q

Complementary processes:

A

Photosynthesis and cellular respiration are complementary processes because the products of one reaction are the reactants of the other reaction.

47
Q

What is the particle theory of matter?

A

It is a way to describe the structure of matter and how it behaves.

48
Q

Pure substance vs Mixture

A

Pure substance: 1 type of particle
Mixture: 2 or more different types of particles

49
Q

Elements vs. Compounds:

A

Elements: A pure substance that cannot be broken down into simpler substances. ( hydrogen, sodium, oxygen, chlorine etc.)

Compounds: A pure substance that contains 2 or more different elements in a fixed ratio. ( salt, sugar, water, carbon dioxide etc.)

50
Q

Homogeneous vs Heterogeneous mixture:

A

Homogeneous: solution– different substances are NOT visible
Ex. salt water, sugar water.

Heterogeneous: mechanical mixture– different substances ARE visible.
Ex. Rock and water, sand and stones.

51
Q

Physical change:

A

A change in a substance that does not produce a new substance, even though it may change state, shape or form.

52
Q

Physical property:

A

Characteristic or feature of a substance.

53
Q

Qualitative physical properties:

A

Colour
State
Clarity
Odour
Taste
Texture
Lusture
Malleability
Flexibility
Ductility

54
Q

Quantitative physical properties:

A

Melting point
Boiling point
Solubility
Hardness
Electrical conductivity
Viscosity
Density
Adhesion
Cohesion

55
Q

Chemical properties

A

The ability of a substance to react and form a new substance.

Combustibility
Reactivity with water
Toxicity
Stability

56
Q

3 types of galaxies:

A

Barred Spiral Galaxy
Elliptical Galaxy
Irregular Galaxy

57
Q

What type of galaxy is the milky way?

A

Barred Spiral Galaxy.

58
Q

8 planets in order:

A

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

59
Q

Inner vs. Outer solar system:

A

Inner= rocky/ terrestrial planets (Mercury, Venus, Earth, Mars)

Outer= gas giant planets (Jupitar, Saturn, Uranus, Neptune)

60
Q

What separates the inner and outer planets?

A

Between mars and jupiter is an asteroid belt which is a region of rocky debris that forms a ring around the sun.

61
Q

Light year

A

Distance light travels in a year.

62
Q

Why use light years?

A

Space is so huge so the use of kilometers would be impractical so we measure distances in space using light years.

63
Q

Rotation

A

An object’s spinning around its own axis. 24 hours

64
Q

Axis

A

An imaginary line that the object rotates around

65
Q

Revolution

A

An object is circling around another object. a year

66
Q

Orbit

A

A regular, repeating path that one object in space takes around another one. ( elliptical – oval shape)

67
Q

Latitude

A

Horizontal parallel lines

68
Q

degrees earth is tilted

A

23.5

69
Q

The amount of sunlight we receive IS

A

what causes the climate changes during the seasons.

Dyllan's decks for studying (28 decks)

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