11. mutualism

12. parasitism

13. predation

14. mutualism

Answer:

1. Mutualism describes the ecological

interaction between two or more species

where each species has a net benefit.

Mutualism is a common type of ecological

interaction.

2. parasitism: relationship between two

species of plants or animals in which one

benefits at the expense of the other,

sometimes without killing the host

organism. ... Intracellular parasites

such as bacteria or viruses often rely on a

third organism, known as the carrier, or

vector, to transmit them to the host.

3. commensalism, in biology, a relationship

between individuals of two species

in which one species obtains food or

other benefits from the other without

either harming or benefiting the latter. ...

In commensal interactions, one species

benefits and the other is unaffected

4. competition In biology, competition

refers to the rivalry between or

among living things for territory,

resources, goods, mates, etc. It is one

of the many symbiotic relationships

occurring in nature. Same or different

members of species compete for

resources, especially for limited natural

resources.

5. predation, one organism kills and

consumes another. Predation provides

energy to prolong the life and promote

the reproduction of the organism that

does the killing, the predator, to the

detriment of the organism being

consumed, the prey. Predation

influences organisms at two ecological

levels.