Question

select all that apply.
when the interaction between two species in a community harms one individual (-) and has a positive effect or benefit to another (+), this is an example of
parasitism
mutualism
commensalism
competition

question 3 1 pts
which of the following are used to define an organisms niche? choose all that apply!
environmental characteristics
resources
interactions with other organisms
the domain to which the organism belongs

Explanation:

For the first question:

• Parasitism: One species benefits (+) while the other is harmed (-).
• Mutualism: Both species benefit (+/+).
• Commensalism: One species benefits (+) and the other is unaffected (0).
• Competition: Both species are harmed (-/-).

For the second question:
An organism's niche includes the environmental conditions it needs, resources it uses, and its interactions with other organisms. The taxonomic domain (like Eukarya, Bacteria) does not define the ecological niche.

Answer:

First question:
Parasitism

Second question:
environmental characteristics
resources
interactions with other organisms