Living Earth

What is an organized group of related parts that interact for form a whole?

• theory

• system

• adaptation

• arrangement

Tags

NGSS.MS-LS1-3

Which of these only lists abiotic components of an ecosystem?

• river, grass, soil

• rocks, insects, trees

• minerals, water, air

• sand, saltwater, seabirds

Which of these is not a characteristics of all living things?

• they use energy

• They are made up of more than one cell

• they maintain stable internal conditions

• they move

A plover bird eats parasites off a crocodile’s skin.  The crocodile provides the plover protection from predators. 

• Mutualism
• Commensalism
• Parasitism
• Not Symbiosis

Fleas obtain nutrients by feeding on the blood of a dog.

• Mutualism

• Commensalism

• Parasitism

• Not Symbiosis

Moss gains exposure to sunlight by growing on the branches of trees. The moss does not harm the trees.

• Mutualism

• Commensalism

• Parasitism

• Not Symbiosis

Tags

NGSS.MS-LS2-2

______________ occurs when more than one individual or population tries to use the same limited resource.

• Niche
• Predator-prey
• Availability
• Competition

Tags

NGSS.MS-LS2-1

The close relationship between two different species in an ecosystem

• Biosphere

• Ecology

• Symbiosis

• Environment

What is the difference between biotic and abiotic?

• Biotic are non-living things
• Abiotic are living organisms
• Biotic is life,
  Abiotic is non-living
• Biotic is non-living, Abiotic is living

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which option is biotic?

• Light
• Water
• Salt in the water
• Angel fish

Tags

NGSS.MS-LS2-3