Symbiotic

Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales.

• Mutualism

• Commensalism

• Parasitism

Nematodes (a round worm) live in plants and gain nourisment from the plant but do not seem to harm it. What type of symbiotic relationship is this?

• mutualism

• commensalism

• parasitism

• predation

Tags

NGSS.MS-LS2-2

Mosquitoes are parasitic with humans because:

• They feed off human blood

• The human host is harmed

• They are annoying

• they spread disease

Tags

NGSS.MS-ESS3-4

Bromeliads and trees are in a commensal relationship because

• the tree provides shelter and an environment for the bromeliad

• the tree is harmed from the bromeliad taking food from it

• the tree is not harmed or helped by the bromeliad

• the tree takes nutrients from the bromeliad

Tags

NGSS.MS-LS2-1

A sea cucumber is an animal that lives in the ocean. An imperial shrimp will ride on the back of the sea cucumber as a way of easy travel through the ocean. The sea cucumber is not helped or harmed. Which type of relationship do these animals have?

• Commensalism

• Mutualism

• Parasitism

Barnacles are sea creatures that create a home by attaching themselves to whales. The whales are unaffected by the barnacles. Which term best describes this symbiotic relationship?

• Mutualism

• Parasitism

• Commensalism

Tags

NGSS.MS-LS2-2

Which symbols best describe parasitism?

• +,+

• +,-

• -,0

• +,0

Tags

NGSS.MS-LS2-2

A person eats undercooked meat from an animal infected with tapeworms. The tapeworm then lives in the person’s intestines and absorbs important nutrients that the person needs. This tapeworm causes harm to the person. Which type of relationship is described?

• Commensalism

• Mutualism

• Predation

• Parasitism

Tags

NGSS.MS-LS2-2

A mistletoe plant attaches itself to a spruce tree causing harm by absorbs the tree’s water and nutrients. What type of relationship does this describe?

• Mutualism

• Commensalism

• Parasitism

Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers and the eggs hatch. The larvae eat some of the seeds, and spread them around. Both species are benefited.

• mutualism

• commensalism

• parasitism

Tags

NGSS.MS-LS1-4