Allgemeine Tiere 1. Intro

Question 1

Ecology by Haeckel

Answer 1

Oikos = house, logus = study. The relationship between organisem and its environment.

Question 2

Ecology by Krebs

Answer 2

Study of the interaction that define abundence and distriburion of organisems.

Question 3

Environemnt

Answer 3

all the factors outside the organizm that influence him.

Question 4

Abiotic

Answer 4

chemical, physical factors (climate, ground, light, water)

Question 5

Biotic

Answer 5

Other organisms

Question 6

Ecology by Begon et al.

Answer 6

Study of the interaction that define abundence and distriburion of organisems + energy and material cycles

Question 7

Types of explentations in ecology

Answer 7

ultimate - history, evolutionary

proximet - recent, mechanisem

Question 8

4 ways to check hypothesis in ecology

Answer 8

comperative field observation
field expreiments with manuipulations
lab experiments
mathematical methods

Question 9

Genetical methods and duplication mechanisms

Answer 9

CHC -species specific charbohydrates

Question 10

3 complexity levels of ecology

Answer 10

1. individual level (biotic, abiotic influences)
2. population level - many individuals of 1 species (apperence, frequency, dynamic, genetic varience, chance of extinction)
3. spciety level - population from different species (coexistance, energy, food)

Question 11

habitat

Answer 11

the place where the organism occur regularly

Question 12

biotop (=life place)

Answer 12

A biotope is an area of uniform environmental conditions (differnet from its neighbors) providing a living place for a specific assemblage of plants and animals. E.g lake, madow

Question 13

ecosystem

Answer 13

biotic community and its abiotic environment

Question 14

biocenosis (Biozöne)

Answer 14

all the populations in a certin ecosystem

Question 15

Biosphere

Answer 15

all the habitat on earth populated by orgnisems