Life Science Qtr 3 Review

Which of the following describes a biotic factor in an ecosystem?

• Sunlight

• Temperature

• A population of deer

• Soil Type

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which of these is an example of an abiotic factor affecting an ecosystem?

• The amount of rainfall

• The presence of decomposers

• The diversity of plant life

• The number of predators

Tags

NGSS.MS-LS2-3

What is the definition of an ecosystem?

• a group of the same type of organism

• all of the living things in an area

• all of the living and non-living things interacting in an area

• a group of different populations

Which of the following is an example of how organisms respond to seasonal change?

• Hibernation

• Photosynthesis

• Cellular respiration

• Decomposition

What is the purpose of classifying organisms?

• To make organisms look more organized

• To identify relationships between organisms

• To have fun

• To make organisms grow larger

Tags

NGSS.MS-LS4-2

The scientific name of an organism consists of its (binomial nomenclature):

• Family and genus

• Kingdom and phylum

• Genus and species

• Class and order

Which of the following is the most specific level of classification?

• Kingdom

• Phylum

• Genus

• Species

How might the introduction of a new predator species impact the prey population within an ecosystem?

• The prey population will likely increase.

• The prey population will experience no change.

• The predator will die off rapidly.

• The prey population will likely decrease.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

In a food web, what do the arrows represent?

• The direction of energy flow.

• The movement of water.

• The size of the population.

• The physical location of organisms.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Archaebacteria and Eubacteria are prokaryotes

• True

• False