Ecosystems 9 week assessment

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.
• There would be a decrease in the grass/flowers population.
• There would be a decrease in the mice population.
• There would be an increase in the grass/flowers population.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

If an invasive species is introduced to an ecosystem that eats that same plants as the rabbits in the ecosystem, what will happen to the rabbit population?

• the rabbit population will likely increase

• the rabbit population will likely decrease

• the rabbit population will stay the same

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

A __________ includes all living and non-living things in an environment. 

• population
• niche
• abitotic
• ecosystem

Tags

NGSS.MS-LS2-3

Which organism make their own food through the process of photosynthesis?

• decomposer, ex mushrooms

• consumer, ex tiger

• herbivore, ex cow

• producer, ex grass

Tags

NGSS.MS-LS1-6

Which is true about the first (bottom) trophic level in an energy pyramid?

• It has the most available energy and includes all consumers
• It has the most avaliable energy and includes all producers
• It includes primary consumers (heterotrophs), which are known as herbivores
• In includes primary consumers (autotrophs), which are known as herbivores

Tags

NGSS.MS-LS2-3

In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?

• 10%
• 20%
• 80%
• 90%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Consumer that eats plants

• heterotroph
• herbivore
• producer
• community

The image provided is an example of a(n):

• Producer
• Autotroph
• Consumer
• Insect

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What type of relationship is this?

• Predator-Prey
• Producer-Consumer
• Parasite-Host

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

An organism that helps to recycle nutrients within an ecosystem by eating dead or decaying organisms is a:

• Predator
• Autotroph
• Producer
• Decomposer

Tags

NGSS.MS-LS2-4