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Biology > Biology(Ecology Test) > Flashcards

Biology(Ecology Test) Flashcards

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1
Q

Which biome is the coldest?

A

Tundra

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2
Q

Which biome has no trees?

A

Grasslands

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3
Q

What is a group of species living in the same area at the same time?

A

Population

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4
Q

What are factors that affect the size of a population?

A

Natural disasters
Humans
Resources
Climate

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5
Q

What are some basic needs that an individual In a population need to survive?

A

Food, H2O, shelter

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6
Q

What is the study of organisms and their interactions between other organisms and their environment?

A

Ecology

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7
Q

List the 6 levels of organization

A 
Organism
Population 
Community
Ecosystem
Biome
Biosphere
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8
Q

Who termed the word “Ecology”?

A

Ernst Haekel

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9
Q

What is an area where an organism lives

A

Habitat

Ex:tree

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10
Q

The role or position that an organism has in its environment

A

Niche

Ex:living space

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11
Q

Two abiotic and biotic factors

A

Biotic- frog and plant

Abiotic-water and temperature

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12
Q

3 types of symbiosis with example

A

Mutualism- (shark and algae eater)
Commensalism-clownfish and the sea anemone
Parasitism- dogs heart with heart worms

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13
Q

What is the act of one organism consuming another organism for food?

A

Predation

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14
Q

Contains the combined portions of the planet in which all of life exists, including land, water, and air, or atmosphere

A

Biosphere

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15
Q

What is a group of organisms so similar to one another that they can breed and produce fertile offspring

A

Species

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16
Q

What is a collection of all organisms that live in a particular place, together with their no living, or physical, environment

A

Ecosystem

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17
Q

A group of ecosystems that have the same climate and similar dominant communities

A

Biome

18
Q

Plants and some algae, and certain bacteria can capture energy from: sunlight or chemicals and use that energy to produce food.

A

Autotrophs

19
Q

Organic molecules combine and recombine to produce living tissue

A

Producers

20
Q

These autotrophs use light energy to power chemical reactions that convert carbon dioxide and water into oxygen and energy rich carbohydrates such as sugars and starches.

A

Photosynthesis

21
Q

Organisms that rely on other organisms for their energy and food supply are called

A

Heterotrophs

22
Q

Obtain energy by eating only plants

A

Herbivores

23
Q

Eat animals

A

Carnivores

24
Q

Eat both plants and animals

A

Omnivores

25
Q

Feed on plant and animal remains and other dead matter collectively called detritus

A

Detritivores

26
Q

Breaks down organic matter

A

Decomposers

27
Q

Series of steps in which organisms transfer energy by eating and being eaten

A

Food chain

28
Q

Links all the food webs in an ecosystem together

A

Food web

29
Q

Each step in a food chain or food web

A

Tropic level

30
Q

Total amount of living tissue within a given tropic level

A

Biomass

31
Q

Process by which water changes from liquid form to atmospheric gas

A

Evaporation

32
Q

The chemical substance that an organism needs to sustain life

A

Nutrients

33
Q

When bacteria, which live in the soil on the roots of plants called legumes, convert nitrogen gas into ammonia

A

Nitrogen fixation

34
Q

When other soil bacteria converts nitrates into nitrogen gas.

A

Denitrification

35
Q

Heterotrophs other name

A

Consumers

36
Q

States that matter is not created of destroyed

A

Law of conservation of mass

37
Q

The orderly and predictable change that takes place after a community or organisms has been removed but the soil has remained intact

A

Secondary succession

Ex: forest fire, flood, storm

38
Q

the living factors in an organisms environment

A

Biotic factors

39
Q

The no living factor in an organisms environment

A

Abiotic factors

40
Q

Occurs when more than one organism uses a resource at the same time

A

Competition

Ex: drought

41
Q

What is water in the atmosphere called

A

Water vapor

42
Q

What biome has the most diverse organisms?

A

Tropical rainforest

Biology (8 decks)

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