Food Webs, Symbiosis and Energy Pyramids

Which type of symbiosis is shown in the image? The image is a rhinoceros with several birds who are eating insects off of his back.

• Mutualism - both species benefit

• Commensalism- only one species benefits

• Parasitism - one species benefits and the other is harmed

• One is a predator and one is the prey

Tags

NGSS.MS-LS2-2

Humans have “good” bacteria in their digestive tract, which assists animals in digesting food. Bacteria thrive there. What type of symbiotic relationship is this?

• Lysosomes and Cell Membranes

• Commensalism - one species benefits and the other is unaffected

• Mutualism- both the bacteria and the animal benefit

• Parasitism - the bacteria benefits and the animal is harmed

In every ecosystem, most living things are interacting with each other through mutualism (+,+), commensalism (+, meh) or parasitism (+,-). What is the scientific name of these three types of interactions?

• Energy Pyramid

• Environmental Study

• Symbiosis

• Predator and Prey

Tags

NGSS.MS-LS2-2

The scientific name for when one species benefits and the other is harmed is--

• Mutualism

• Commensalism

• Parasitism

• Predator and Prey

The scientific name for when both species benefit in a relationship is ---

• Mutualism

• Commensalism

• Parasitism

• Predator and Prey

The scientific name for when one species benefits and the other is unaffected is--

• Mutalism

• Commensalism

• Parasitism

• Predator and Prey

++

• Parasitism

• Predator and Prey

• Mutualism

• Commensalism

Tags

NGSS.MS-LS2-2

+, unaffected

or

+, whatever

• Predator and Prey

• Mutualism

• Commensalism

• Parasitism

Tags

NGSS.MS-LS2-2

+,-

• Commensalism

• Parasitism

• Predator and Prey

• Mutualism

Tags

NGSS.MS-LS2-2

This is a food web. How many producers are in this food web?

• 3

• 4

• 5

• 6

Tags

NGSS.MS-LS2-3