1
______ are organisms that degrade organic matter to its simplest chemical components. Its main representatives are bacteria and fungi.
2
Example of abiotic factor that can be measured in degrees centigrade.
3
_________ Organisms are those that consume other living beings.
4
The ________ is the space in which all species live.
5
Producers or _______ are those organisms that produce their own food, such as some bacteria, algae and plants
6
_______ Consumers are the organisms that feed on other consumers.
7
Unit formed by living (biotic) and non-living (abiotic) factors that coexist in a specific place where an exchange of matter and energy takes place.
8
When ascending in the trophic level in a pyramid, the biomass __________
9
This abiotic factor is defined as the amount of water contained in soil and air.
10
The trophic chains are interrelated forming _____ or trophic frames.
11
In an ecosystem, matter moves in a ________ way
12
The lower a trophic level, the ________ the population size, compared to that of higher levels
13
______ factors are the physical and chemical variables of the environment.
14
A ______ or food chain is a linear relationship between organisms. Each level of living beings feeds on the previous one.
15
_________ Consumers are those that directly consume producers.
16
The flow of matter and energy of an ecosystem is schematized in a trophic _______
17
_______ factors are those that are living.
18
In an ecosystem, energy moves in a ______ way
19
A trophic ______ is a"step" in the food chain that includes all the organisms of a given ecosystem that feed from a similar food source (Producers, primary consumers, etc.)
18
5
13
11
2
9
12
10
19
4
3
6
1
8
14
16
15
17