Question

Fill in the chart below about interactions within a community. If the interaction benefits the organism...

  1. Fill in the chart below about interactions within a community. If the interaction benefits the organism put a (+) in the box. If the interaction harms the organism put a (-) in the box. If there is no effect on the organism put a (O) in the box. Lastly, provide an example of each type of interaction.

Table 8.1: Species Interactions

Relationship

Species 1

Species 2

Example

Competition

Herbivory

Predation

Mutualism

Commensalism

Parasitism

Homework Answers

Answer #1
RELATIONSHIP SPECIES 1 SPECIES 2 EXAMPLE
COMPETITION - - below
HERBIVORY + - below
PREDATISM + - below
MUTUALISM + + below
COMMENSALISM + 0 below
PARASITISM + - below

+ - BENEFICIAL INTERACTION

- - DETRIMENTAL INTERACTIONA

0 - NEUTRAL INTERACTION

COMPETITION - IT IS A TYPE OF RELATIONSHIP WHEN TWO SPECIES COMPETE FOR THE SAME RESOURCE AND BOTH THE SPECIES LOSE IN AN INTERACTION THAT IS COMPETITIVE. EXAMPLE IS - competition amongst cheetahs and lions for food resources.

HERBIVORY - IT IS A TYPE OF RELATIONSHIP IN WHICH ONE SPECIES IS BENEFITTED WHILE THE OTHER IS HARMED. EXAMPLE IS - CATERPILLARS FEEDING ON PLANTS LEAVES.

PREDATISM - IT IS A TYPE OF RELATIONSHIP IN WHICH ONE SPECIES IS BENEFITTED WHILE THE OTHER IS HARMED. EXAMPLE IS - CARNIVOROUS INTERACTIONS SUCH AS WOLVES FEEDING ON MOOSE.

MUTUALISM - IT IS A TYPE OF RELATIONSHIP IN WHICH BOTH THE SPECIES ARE  BENEFITTED EXAMPLE IS - RELATIONSHIP BETWEEN PLANT POLLINATORS AND FLOWERING PLANTS. THE POLLINATORS RECEIVE NECTAR FROM PLANTS AND INTURN TRANSFER POLLEN FOR POLLINATION.

COMMENASLIM - IT IS A TYPE OF RELATIONSHIP IN WHICH ONE SPECIES IS BENEFITTED WHILE THE OTHER does not affect. EXAMPLE IS - BIRDS LIVING IN THE HOLLOWS OF TREES.

PARASITISM - IT IS A TYPE OF RELATIONSHIP IN WHICH ONE SPECIES IS BENEFITTED WHILE THE OTHER IS HARMED. EXAMPLE IS - TICKS LIVING ON DOGS.

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