Which of the following equations depicts Verhulst-Pearl logistic population growth?

Related Formula

Sexual Deceit arrow Mediterranean Orchid (Ophrys) + Male Bumblebee$\text{Sexual Deceit} \rightarrow \text{Mediterranean Orchid } (Ophrys) + \text{Male Bumblebee}$

Core Logic

The Mediterranean orchid Ophrys employs sexual deceit to get pollinated. One petal of its flower bears an uncanny resemblance to the female bee in size, colour, and markings. The male bumblebee pseudocopulates with the flower and in the process gets dusted with pollen, thereby aiding in pollination.

Step 1: Categorization of Interaction Examples

• Female wasp and fig: Mutualism
• Cuckoo and crow: Brood parasitism
• Ophrys and bumblebee: Sexual deceit (Pseudocopulation)
• Sea anemone and clown fish: Commensalism

Pattern Recognition

Sees: "sexual deceit". Shortcut: Ophrys orchid and bumblebee pollination interaction.

Chapter Mix

Class 12 Biology: Organisms and Populations

Related Formula

aligned Mutualism &arrow (+, +) Parasitism &arrow (+, -) Commensalism &arrow (+, 0) Amensalism &arrow (-, 0) aligned$\begin{aligned} \text{Mutualism} &\rightarrow (+, +)\\ \text{Parasitism} &\rightarrow (+, -)\\ \text{Commensalism} &\rightarrow (+, 0)\\ \text{Amensalism} &\rightarrow (-, 0) \end{aligned}$

Core Logic

Evaluating statements on species interactions:

• A (Incorrect): In commensalism, one species benefits and the other is unaffected (not harmed).
• B (Correct): In mutualism, both species benefit (+, +).
• C (Incorrect): In commensalism, only one species benefits (+, 0).
• D (Correct): In parasitism, parasite benefits and host is harmed (+, -).
• E (Correct): In amensalism, one species is harmed and the other is unaffected (-, 0).

Step 1: Visual Interaction Table

Statements B, D, and E are correct.

Pattern Recognition

Sees: "Mutualism (+,+), Parasitism (+,-), Amensalism (-,0)". Shortcut: Correct statements are B, D, and E.

Chapter Mix

Class 12 Biology: Organisms and Populations