Ecology Flashcards

1
Q

Ecology

A

The study of plants and animals and how they interact with their environment.

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2
Q

Biosphere

A

The part of the earth that supports life.

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3
Q

Ecosystem

A

A community of living and non-living things interacting with each other in a specific environment.

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4
Q

Habitat

A

Where an organism lives.

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5
Q

Food Chain

A

Shows the transfer of energy from one organism to the next in an ecosystem.

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6
Q

Biotic

A

The LIVING factors that affect organisms

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7
Q

Abiotic

A

The NON-LIVING factors that affect organisms

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8
Q

Climatic

A

The long-term weather conditions that affect organisms

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9
Q

Edaphic

A

The soil that affects organisms

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10
Q

Niche

A

The functional role of an organism (i.e its position on a food chain)

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11
Q

Producer

A

Organisms capable of making their own food by photosynthesis (i.e green plants)

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12
Q

Consumer

A

Feed on other organisms - cannot make their own food. 3 Types

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13
Q

Primary Consumer

A

Feed on Producers

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14
Q

Secondary Consumer

A

Feed on Primary Consumers

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15
Q

Tertiary Consumer

A

Feed on Secondary Comsumers

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16
Q

Trophic Level

A

The position of an organism in a food chain (Plants - T1, Herbivores - T2, Carnivores - T3, Top Carnivore/Omnivore - T4

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17
Q

Food Web

A

The interconnected food chains in an ecosystem

18
Q

Primary Producers

A

The first members of a food chain

19
Q

Flora

A

Plants

20
Q

Fauna

A

Animals

21
Q

Key

A

Used to identify

22
Q

Animal Collection Equipment

A

Pooter
Pitfall Trap
Sweep Net
Beating Tray

23
Q

Adaptation

A

A unique feature that allows an organism to survive

24
Q

What piece of equipment is used to survey plants?

A

Quadrat

25
Q

Qualitative Analysis

A

Whether a species is present or absent (% frequency)

26
Q

Quantitative Analysis

A

Indicates how much of a species is present (% cover)

27
Q

Quadrat

A

A large square frame divided into smaller squares used to identify plants in an ecosystem

28
Q

Line Transect

A

A rope laid along the ground between two poles used to measure the distribution of organisms.

29
Q

Population

A

A group of organisms of the same species living together in a habitat.

30
Q

Community

A

All of the different species living together in an ecosystem.

31
Q

Competition - 2 Types

A

When organisms of the same or different species fight for resources that are in short supply.
-Scramble
-Contest

32
Q

Scramble

A

Where each organism tries to gain as much of the resource as possible
(e.g. Ivy using its roots to grip the hawthorn and climb higher to receive more light.)

33
Q

Contest

A

Involves an active physical confrontation between two or more organisms – one wins!

34
Q

Predation - 2 Types

A

The act of killing and eating another animal for food.
-Predator
-Prey

35
Q

Predator

A

Animal that kills and eats another animal for food.

36
Q

Prey

A

An animal that is killed and eaten by another animal for food.

37
Q

Parasitism - 2 Types

A

A relationship where one organism lives in or on another while causing it harm.
-Parasite
-Host

38
Q

Pollution

A

Any harmful addition to the environment.

39
Q

Conservation + 1 practice

A

The protection and management of the earths natural resources.
(Fishing - quotas put on net sizes.)

40
Q

Waste Management + 1 practice

A

Reducing or reusing waste for a specific useful purpose.
(Fish processing waste - heads, fins, tails, can be treated and used at pig feed/fertiliser)

41
Q

Symbiosis

A

A relationship between two or more (different) organisms where at least one of them benefits.
(e.g. bacteria in the colon produce vitamins B2 and K - absorbed by human)