Definitions
Define population
A group of individuals of the same species that live in the same place.
Fill in the gaps
The components of a _______ and its ________ affect what living things inhabit in the ecosystem.
Biotope, Biocenosis
Choose the correct statement:
- Individuals are isolated
- Individuals need to interact with living things.
Individuals AREN'T isolated, they DP need to interact with living things, in order to perform their vital functions.
True or False?
Intraspecific relationships can be postive or negative
True!
Interspecific relationships can harm one of the species.
True, for example parasitism.
Define community/biocenosis
A group of populations that live in a particular area. They also interact with each other.
Fill in the gap
____ factors, which originate in the biotope and are characteristics of the physical environment.
Abiotic
(a) Intraspecific relationships
(b) Interspecific relationships
(1) involve individuals from different species
(2) involve individuals from the same species
a & 2
b & 1
Give 2 examples of a highly organised species with a hierarchy of individuals.
Ants, termites, bees.
Fill in the gap with competition or predation:
______ occurs when two species use the same resource
Define ecosystem.
The system formed by a community, the physical environment it inhabits and the interactions that occur
Give 3 abiotic factors
Climatic, Physical, Chemical
_______ : System in which individuals are organised into levels of importance.
Hierarchy.
Fill in the gaps:
Colonies: Individuals are ______ to each other in _____ groups, for example, a colony of coral.
Connected, Large.
Define Symbiosis.
When both species live in a long-term association.
Define salinity.
The amount of salt present.
Give 2 examples of climatic factors in an ecosystem.
Temperature, Precipitation, Humidity.
True or False?
In an ecosystem, living things only interact with individuals of the same species.
False: They interact with both the same species and other species.
True or false?
In a family, related individuals live together and don't protect their young.
False: they do protect their young.
Rearrange the sentence:
Mutualism alone but can survive benefit both is when species.
Mutualism is when both species benefit but can survive alone.
Define ecology.
Fill in the gaps
The _______ ______is the value of an abiotic factor that can't be exceeded without affecting the survival of the species.
The part of the tange in which the speices thrives is known as the ______ ______ .
Tolerance Range, Optimal Range.
Correct the grammar mistakes (3)
Intaspecific relacionships involve individuals from the same speshies.
Intraspecific, Relationships, Species.
Fill in the gap:
Individuals of the same species stay together for ______ or move together to find _____, for example, penguins.
Protection, Food.
Two types of relationships which benefit one species but don't affect the other.
C-----------
I----------
Commensalism, Inquilism