Which of the following is the most appropriate definition?

  • A
    Commensalism is an interaction in which one species benefits and the other is neither harmed nor benefited.
  • B
    $A$ predator is an organism that catches and kills another organism for food.
  • C
    Parasitism is a relationship where an organism always lives inside the body of another organism and kills it.
  • D
    $A$ host is an organism that provides food to another organism.

Explore More

Similar Questions

Competition occurs when

$E. coli$ in the human colon behaves as:

Predators also help in $A$ species diversity in a community,by $B$ the intensity of competition among competing prey species. Here $A$ and $B$ can be

Select the correct option for the following organisms:
$I -$ Copepods,$II -$ Liver fluke,$III -$ Lice,$IV -$ Ticks,$V -$ Ascaris,$VI -$ Cuscuta
Ectoparasites $\quad\quad$ Endoparasites

Species $A$ $(-)$ and Species $B$ $(O)$ show which of the following interactions?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo