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Benton 7th Grade Life Science > Ecology > Flashcards

Ecology Flashcards

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Biology 101 flashcards
1
Q

What term means the study of organisms and their interaction with the environment?

A

Ecology (Interactions!!!)

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2
Q

What term means the sequential replacement of one ecological community with another?

A

Ecological succession

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3
Q

What is a pioneer organism?

A

They are the first organisms to inhabit an area and they start the succession process. (lichens, mosses, weeds, grasses)

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4
Q

The term for an area where no previous life lived

A

Primary succession (usually mosses and lichens)

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5
Q

What is the term that describes life after a huge natural or manmade event happens

A

Secondary Siuccession

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6
Q

What is a biome?

A

A geographic area characterized by certain types of plants, animals and climates.

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7
Q

How does a biome get named?

A

By its vegetation type (Grasslands, Forests…)

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8
Q

What biome gets lots of rain, has biodiversity and is generally warm?

A

Tropical Rainforest (Amazon in Brazil)

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9
Q

What biome gets a lot of rain but has a cooler temperature?

A

Temperate Rainforest (Tonga National Forest in Alaska)

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10
Q

What biome gets less than 10 inches of rain and has a wide temperature swing between day and night?

A

Desert

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11
Q

What biome is mainly grass with very few trees?

A

Grasslands (Great plains…)

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12
Q

What biome do lions and Elephants live in?

A

Savanna

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13
Q

What biomes is very cold and houses millions of evergreen trees?

A

Taiga(Coniferous Forest)(Boreal Forest)

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14
Q

What biome do we live in?

A

Deciduous Forest

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15
Q

What two biomes are water based?

A

Freshwater (Lakes, Rivers, Ponds, Streams) Saltwater like a bay or ocean or sea

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16
Q

What type of organism can make its own food and therefore is at the bottom of every food chain?

A

Producer or Autotroph

17
Q

What type of organism must eat another organism to get food?

A

Consumer or Heterotroph

18
Q

What is a non-living factor called?

A

Abiotic

19
Q

What is a living factor called?

A

Biotic

20
Q

What type of animal eats plants and animals?

A

Omnivore

21
Q

What type of animal eats plants only?

A

Herbivore

22
Q

What type of animal eats other animals?

A

Carnivore

23
Q

What is a species?

A

A group of organisms that can interbreed and produce fertile offspring

24
Q

What is the term for all of a certain species in a certain area?

A

Population

25
Q

What is the term for all the populations in a certain area?

A

Community

26
Q

What is the term for all the living and non-living things in an area?

A

Habitat/Ecosystem

27
Q

Another term for our earth and its atmosphere is?

A

Biosphere

28
Q

What is a scavenger?

A

Eats things that are already dead (buzzard)

29
Q

What is a decomposer?

A

Bacteria and fungi are decomposers because they break down decaying organisms and return the nutrients to the earth

30
Q

What is a food chain?

A

Different organisms linked by their food source (what they eat)

31
Q

What is a food web?

A

A collection of food chains that describes the interaction among living organisms (food) Remember to analyze what would happen if a part of a food web was lost.

32
Q

What is an energy pyramid?

A

A concept diagram that shows how energy is used in a food web. Each level is generally 10% of the previous level. Energy is used as you go up in the pyramid.

33
Q

What does symbiosis mean?

A

Interaction between 2 organisms living in close proximity

34
Q

Type of symbiosis where both benefit

A

Mutualism (Egyptian crocodile and the bird)

35
Q

Type of symbiosis where 1 benefits and 1 is harmed

A

Parasitism (Tick and a dog)

36
Q

Type of symbiosis where i benefits and the other doesn’t care

A

Commensalism (Bird and a tree)

37
Q

Things that limit the size of the population

A

Limiting Factors (Food, space, sunlight, water,disease)

38
Q

The term that means there are no longer any living organisms of 1 species

A

Extinction

39
Q

Which is worse endangered or threatened?

A

Endangered.

Benton 7th Grade Life Science (10 decks)

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