Symbiosis

Hermit crabs live in shells that are made and then abandoned by snails. What type of symbiosis is this relationship?

• Commensalism

• Mutualism

• Parasitism

In a mutualism relationship, both organisms are ---

• benefited.

• unaffected.

• harmed.

Red-billed oxpeckers are birds that often feed on parasites that infest impala.  This is an example of _______.

• commensalism

• mutualism

• neutralism

• competition

In the jungles of South America lives a thorn tree call an acacia. A species of ant eats secretions of the acacia, drinks its sap, and raises its young in the hollow thorns. The ants also keep competing vines from growing near the acacia tree and they help repel any insects that would damage the acacia tree.

• mutualism

• commensalism

• parasitism

Tags

NGSS.MS-LS2-2

Lactobacilli are a type of bacteria that live in our lungs and destroy many of the microorganisms that enter our respiratory system. They are highly adapted to living in our lungs and can't survive in many other habitats.

• mutualism

• commensalism

• parasitism

Tags

NGSS.MS-LS2-1

Remoras attach themselves to a shark’s body. They then travel with the shark and feed on the leftover food scraps from the shark’s meals. The relationship neither harms nor benefits the shark. 

• parasitism

• commensalism

• mutualism

Tags

NGSS.MS-LS2-2

What does symbiosis mean?

• Living separately, no relationship between 2 species

• Living together, close relationship between 2 species

• Living separately, long distance relationship between 2 species

• When one species kills and eats another

Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales. The barnacles eat the plankton that the whale swims past in the ocean. What kind of relationship is this?

• Mutualism

• Parasitism

• Commensalism

Fungi form lichens (a small plant) by living in a close relationship with algae. The fungus provides a protective home for the algae, and gathers nutrients from rainwater. The algae gathers energy from the sun using photosynthesis. Both organisms share nutrients with each other.

• commensalism

• mutualism

• parasitism

• predation

Tags

NGSS.MS-LS2-2

Honeyguide birds find a bee hive, then chatter loudly to attract the Honey badger. They fly toward the hive making sure the badger is following. Upon arrival at the bee hive, the badger tears open the hive and feasts on the honey. Then the Honeyguide bird feeds on the remaining wax and larvae.

• commensalism

• mutualism

• parasitism

• predation