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Examssss > Biology > Flashcards

Biology Flashcards

0
Q

What type of research is research is based on numerical measurements?

A

Quantitative

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1
Q

Define experiment

A

Testing a hypothesis

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2
Q

Scientific explanation of facts tested over and over is called ________?

A

Scientific theory

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3
Q

Information gathered from an experiment is called _______?

A

Data

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4
Q

Define ethics-

A

A set of moral principles and values held by humans that are right or wrong

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5
Q

What is they key to studying biology?

A

Learn about life around you

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6
Q

Living organisms change during their lives through __________ and ___________?

A

Growth and development

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7
Q

Living organisms ___________ to produce more?

A

Reproduce

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8
Q

What is the reaction to a stimulus called ________?

A

Response to a stimulus

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9
Q

Define evolution-

A

Changes to a species over time

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10
Q

Biologists use ________ to discover problems in the world around them?

A

Observation

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11
Q

Define hypothesis-

A

Educated guess

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12
Q

What system does scientist use to report measurements?

A

System international (SI)

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13
Q

SI unit:

Volume

A

Liters

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14
Q

SI unit:

Distance

A

Meters

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15
Q

SI unit:

Weight

A

Grams

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16
Q

Cat and mouse have a _________ type of relationship.

A

Predator and prey

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17
Q

What happens to matter and energy as it moves from producers to carnivores.

A

Decreases

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18
Q

How much energy is lost by the time it reaches the top consumer?

A

10% each level

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19
Q

Define ecosystem

A

Interactions between biotic and abiotic factors

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20
Q

The _________ of cougars is that of a predator feeding on weak animals.

A

Niche

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21
Q

Organisms living in saltwater and shallow tidal pools are the _________ of the organism.

A

Habitat

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22
Q

How does carbon dioxide enter the biotic parts of the biosphere?

A

Photosynthesis, combustion, and forest fires

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23
Q

How is nitrogen released into the abiotic parts of the biosphere?

A

Death and decay caused by bacteria

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24
Q

Define transpiration-

A

Process by which water evaporates from the surface of plants

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25
Q

What organism forms the Base in an aquatic biome?

A

(Phyto) plankton

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26
Q

__________ species appear in an area undergoing a succession.

A

Pioneer

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27
Q

The __________ biome has a decomposition that occurs at a first rte form humus to form.

A

Tropical rainforest

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28
Q

List causes of secondary succession.

A

Fires, disasters, and human activity

29
Q

List abiotic factors that affect the tolerance range of organisms in a lake.

A

Temperature, water, or light

30
Q

Define estuary

A

Where fresh and salt water meet

31
Q

What type of trees dominate the taiga biome?

A

Coniferous

32
Q

What type of plant is common in the desert biome?

A

Cacti

33
Q

Define secondary succession-

A

Uncut land or a meadow becomes a forest

34
Q

Define succession

A

Replaces one community after another

35
Q

An arid region with little or no plants is called a _________.

A

Desert

36
Q

Define plankton

A

Microscopic organisms

37
Q

Frozen layer of soil is called _______?

A

Permafrost

38
Q

Which zone of the ocean is shallow enough for sunlight to penetrate called?

A

Photic

39
Q

Define intertidal zone

A

Shoreline affected by tides

40
Q

Colonization of a new site by communities of organisms is what type of succession?

A

Primary

41
Q

Deciduous trees dominate which biome?

A

Temperate forest

42
Q

A stable result of a succession is called a _____________ community.

A

Climax

43
Q

____________ is a major limiting factor of the tundra biome.

A

Latitude/temperature

44
Q

The great northern coniferous forest forms the __________ biome.

A

Taiga

45
Q

What biome would you find herding animals?

A

Grassland

46
Q

What type of growth would a bacteria population have if it doubles is size?

A

Exponential

47
Q

What type of curve would a population have if it grows without limits to its size?

A

J-curve

48
Q

List demographers collect and study data about.

A

Population size, density, and distribution

49
Q

What type of factors effect increase as the size of the population increases?

A

Density-dependent

50
Q

Part of a population expressed in terms of reproduction years is called ___________?

A

Age-structure

51
Q

Define carrying capacity

A

Number of organisms environment can hold

52
Q

What does not affect density-independent factors?

A

Population density

53
Q

What shape does a population have when it reaches its carrying capacity?

A

S-shaped

54
Q

Land tortoises and sequoias use what type of growth strategy?

A

K-strategy/slow growth/s-curve

55
Q

What type of reproductive strategy do bacteria use?

A

R-strategy/slow-growth/J-curve

56
Q

What type of age-structure does a country have if its not growing?

A

Zero-population growth rate and same for all age groups

57
Q

What is destroyed by CFC’s in the atmosphere?

A

Ozone

58
Q

What does reintroduction programs seek to establish?

A

Species in an area where they once lived

59
Q

List causes of acid precipitation.

A

Burning nitrogen oxide and sulfur dioxide

60
Q

List some extinct species

A

Passenger pigeons, dinosaurs, mammoth

61
Q

What % of the worlds land is designated as a national park?

A

6-7%

62
Q

What is the major focus of conservation biology?

A

Protecting species and biodiversity from extinction

63
Q

What is the biggest threat to biodiversity?

A

Habitat loss

64
Q

Define exotic species-

A

Bringing a species where it’s never lived before

65
Q

What are roads cut across natural areas is called ____________?

A

Habitat fragmentation and corridors

66
Q

What type of pesticide caused the American bald eagles to become soft?

A

DDT

67
Q

What biome has more biodiversity?

A

Tropical Rainforest

68
Q

What is the major concern for conservation biologists?

A

Protecting biodiversity

69
Q

Who works with the local government to develop ways to protect wildlife habitats?

A

Conservation biologists/ rangers

70
Q

What is edge effect?

A

Different environmental conditions that occur along the boundaries of an ecosystem

Examssss (5 decks)

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