Summary: Your Biology | 9789402057591 | Arteunis Bos
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6 Ecology
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6.1 What is ecology?
This is a preview. There are 4 more flashcards available for chapter 6.1
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In which two groups of the environmental factors can they categorised into?
- Biotic factors
- abiotic factors
- Biotic factors
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What are biotic factors?
Influences that come from living nature or another organism.
Example:- members of its species
- food
- predators
nesting sitespathogens
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What are abiotic factors?
Influences that come from the non-living aspects of nature.
Example:- light
- rain
- air
- wind
- temperature
- soil
- water
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What is the individual level of ecology?
An investigation of therelationships between one individual (anorganism ) and its environment.
Example: investigation of temperature on thegrowth of one single elephant. -
What does the level of a population mean?
A population is a group ofindividuals of the same species in a given area, whichreproduce together.
Example: investigate the effect of the amount ofrainfall on apopulation of elephants. -
What is a community in the levels of ecology?
Populations of different species that live together in a given area. Together they make up a community.
Example: Thecommunity of a forest consists ofpopulations of oak trees, beech trees,ferns ,earthworms , foxes and many otherspecies . -
What is a biotope?
All theabiotic factors together in a given area are called abiotope .
Allpopulations affect each other. In addition,abiotic factors (water, temperature, soil type) have a significant effect on the area.
The community and biotope in for example a forest together form an integral whole. -
6.2 Feeding realtionships
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What is a food chain?
It's a series of organisms in which each organism is the food source for the next. All food chains start with a plant species. From there, an arrow points to the second link: a herbivore, then it points to the third link: a carnivore. -
What are all the feeding relationships in an ecosystem called?
A Food web. A food web contains herbivores, carnivores and omnivores -
What does an omnivore eat?
It eats both plants and animals
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