Grade 7 - Biology

Which of the following is considered as a biotic component of an ecosystem?

• flood

• sunlight

• temperature

• wildlife

Tags

NGSS.MS-LS2-2

Which of the following represents an abiotic component of the environment?

• grass in the fields

• sprouting mongo seeds

• sea cow nursing its young

• temperature in a mountain

Which of the following is NOT a biotic component in the ecosystem?

• 
• 
• 
• 

Which of the following relationships exhibits mutualism?

• rats - cats

• algae - fungi

• worms - humans

• rice bird - hawk

Tags

NGSS.MS-LS2-2

What type of relationship is exhibited between these two organisms?

• commensalism

• mutualism

• parasitism

• predation

Tags

NGSS.MS-LS2-2

Which of the following correctly describes the relationship between an orchid and a tree?

• The orchid is benefitted while the tree is harmed.

• The orchid is harmed while the tree is benefitted.

• The orchid is benefitted while the tress in unaffected.

• The orchid and the tree both benefit from the relationship.

Which of the following is an abiotic factor that may affect the population of organisms?

• parasites

• predators

• food availability

• extreme temperatures

Tags

NGSS.MS-LS2-4

The following are abiotic factors that may affect the population of organisms EXCEPT:

• drought

• earthquakes

• predators

• typhoons

Tags

NGSS.MS-ESS3-2

Humans and mosquitoes exhibit a (a)   relationship.

(a)   is a relationship between two or more groups of animals that compete for the same resources.