Term
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Definition
| Biomass is biological material derived from living, or recently living organisms. |
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Term
| Intraspecific competition |
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Definition
members of the same species compete for resources.
Example: wolf |
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Term
| Interspecific Competition |
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Definition
Individuals go different specifies compete for resources and territories.
Example: tigers, wolves, lions |
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Term
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Definition
It is a plant or animal that plays a unique and essential role in the eco-system
Example: Prairie dogs are a keystone species in the Great Plains region of the U.S. and Canada. |
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Term
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Definition
Plants are producers because they produce their own food when they photosynthesise.
Example: trees |
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Term
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Definition
Animals that feed on the producers
Example: goat, cow [herbivores] |
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Term
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Definition
Organisms that feed on primary consumers
Example: lions, humans |
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Term
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Definition
Organisms that feed on secondary consumers
Examples: Sharks, killer whales, foxes, humans |
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Term
| Density-dependent Factors |
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Definition
Popultation depends on the resources available.
Example: food, shelter |
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Term
| Density Independent Factor |
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Definition
Factors that affect the size of population regardless of the density.
Example : [natural calamities] earthquake, drought. |
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Term
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Definition
The preying of animal to the others.
Example : Lions attacking zebras. |
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Term
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Definition
Relation between two organisms when one gets benefit by causing damage to the other organism.
Example : mosquitos - humans |
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Term
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Definition
Relation between two individual species where one benefits from the other has neither benefit nor harm.
Example : birds feed on insects in fields |
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Term
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Definition
A symbiotic relation between two different species where both individuals benefit from each other.
Example : relation between oxpecker (a kind of bird) and the rhinoceros or zebra.
[The bird eats the parasites on the skin of these animals giving them pest control] |
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Term
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Definition
Different organisms compete for resources such as food, shelter, mate.
Example : Inter specific and Intra specific competition |
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Term
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Definition
A relation between two different organisms where both of them benefit from each other
Example : |
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Term
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Definition
The maximum number of organisms that a given environment can take.
Example : amount of resources available |
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Term
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Definition
| It is the branch of Science that deals with the relation between different organisms and the relation between organisms and nature. |
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Term
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Definition
Pertaining to life.
Example: animals |
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Term
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Definition
Non-living things.
Example: air, soil,water |
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Term
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Definition
| Number of organisms of the same specie that live in the same place at the same time. |
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Term
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Definition
| Ability of an organism to reproduce. |
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Term
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Definition
| The S-shaped pattern in which the growth of a population slows down as it reaches the carrying capacity. |
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Term
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Definition
| It's a growth rate that becomes been more rapid in proportion to the total number or size of organisms. |
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Term
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Definition
| The act of coming to live in a foreign country. |
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Term
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Definition
| Migration from one country to another in order to live in the new country. |
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