Ecosystems
A community of interacting organisms and their physical environment
Ecosystem
The process of one organism feeding on another.
Predation
A____________ is a biome characterised by extreme cold temperatures and minimal precipitation.
A cold desert is a biome characterised by extreme cold temperatures and minimal precipitation.
Interactions between members of the same species.
Intraspecific relationships
This type of soil horizon is mostly organic matter such as decomposing leaves.
Horizon O
The total living organisms in a particular area is the ______________________
The physical environment in which organisms live is the ___________.
The total living organisms in a particular area is the BIOCENOSIS.
The physical environment in which organisms live is the BIOTOPE.
1)________________ = A relationship where one organism benefits, and the other is unaffected.
2) _________________= A relationship where both organisms benefit.
1. Commensalism is a relationship where one organism benefits, and the other is unaffected.
2. Mutualism is a relationship where both organisms benefit.
A region of the earth's surface and the particular combination of climate (= general type of weather), plants, and animals that are found in it
BIOME
A group of animals from the same family which live together to share protection and care.
Family association
True or false? Higher temperature in soil --> higher decompositon rate of microrganisms and higher plant growth.
True
The non-living components of an ecosystem, such as temperature, water, Ph, air, wind and nutrients are ___________________
A network of interconnected food chains is a ________
The non-living components of an ecosystem, such as temperature, water, Ph, air, wind and nutrients are ABIOTIC FACTORS
A network of interconnected food chains is a FOOD WEB
The struggle between organisms for limited resources.
Competition
An ____________ is a biome characterised by high biodiversity, constant high temperatures, and high rainfall.
An EQUATORIAL FOREST is a biome characterised by high biodiversity, constant high temperatures, and high rainfall.
A group of individuals coming from the same parent living and working together and attached to it.
Colony association
The compacted layer of minerals that underlies the soil.
Bedrock
Organisms that break down dead material and recycle nutrients.
Decomposers
A relationship where one organism benefits at the expense of the other.
PARASITISM
The_____________ is a biome characterized by permafrost, low temperatures, and sparse vegetation.
The __________is a biome characterized by cold temperatures, coniferous trees, and long winters.
The TUDNRA is a biome characterized by permafrost, low temperatures, and sparse vegetation.
The TAIGA is a biome characterized by cold temperatures, coniferous trees, and long winters.
A social behavior where individuals live and work together in groups and there is differentiation of roles (each individual fulfils a specific and a fundamental function).
Social association
The newest layer of the soil composed mostly for decaying leaves and organic matter.
HORIZON O
The consumption of dead organisms or decaying matter.
Scavenging
Symbiotic relationship between fungi and the roots of higher plants
Mycorrhizae
A _____________ is a biome characterised by moderate temperatures and distinct seasons, with abundant rainfall.
A _______________ is a biome typical of regions with a Mediterranean climate, with hot, dry summers and mild, wet winters.
A TEMPERATE FOREST is a biome characterised by moderate temperatures and distinct seasons, with abundant rainfall.
A MEDITERRANEAN FOREST is a biome typical of regions with a Mediterranean climate, with hot, dry summers and mild, wet winters.
_______ is a type of intraspecific relationship in which animals from the same species live together but each of them have an specific role or function inside the group.
SOCIAL ASSOCIATIONS is a type of intraspecific relationship in which animals from the same species live together but each of them have an specific role or function inside the group.
The ___________ is the most fertile soil horizon and contains a mixture of organic material and minerals.
The Horizon A or topsoil is the most fertile soil horizon and contains a mixture of organic material and minerals. It is composed by mostly minerals from parent material with organic matter incorporated. A good material for plants and other organisms to live.