Living Organisms/ Ecosystems EOG Review

Which type of animal usually eats both producers and consumers?

• omnivore

• carnivore

• herbivore

• predator

Answer explanation

Which is a characteristic of single-celled organisms?

• They have a complex nervous system.

• They contain several different types of cells.

• They perform all life processes.

• They have a circulatory and respiratory system.

Tags

NGSS.MS-LS1-1

Which statement best describes how a multicellular organism survives?

• Every cell carries out the same functions for the survival of the organism.

• The cells all have the same structures that allow the organism to survive.

• All life processes are performed by each cell for the survival of the organism.

• The cells have different functions, and together they are essential for the survival of the organism.

Answer explanation

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NGSS.MS-LS1-3

What is the relationship between the respiratory and the circulatory systems?

• The respiratory exchanges oxygen and carbon dioxide with the circulatory system.

• The respiratory exchanges oxygen and carbon monoxide with the circulatory system.

• The respiratory exchanges oxygen and sugar with the circulatory system.

• The respiratory exchanges oxygen and nitrogen with the circulatory system.

Answer explanation

In what way are the digestive and circulatory systems alike?

• Both protect organs in the body.

• Both control movement of the body.

• Both absorb gases or nutrients into the body.

• Both provide structural support for the body.

Which has the greatest effect on the amount of salt in a salt marsh?

• the number of animals living in the marsh

• the closeness of the marsh to the ocean

• the depth of the water in the marsh

• the temperature of the water in the marsh

Which classification best describes herbivores?

• producers

• consumers

• decomposers

• predators

What will be most affected if the decomposers in a n ecosystem are removed?

• the spread of disease

• the availability of water

• the quality of soil

• the distribution of organisms

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

A mother rabbit has a litter. One of the babies is born with one long ear and one short ear. What most likely caused this one rabbit to be born with one short ear?

• The mother rabbit had previously lost an ear in an accident.

• The mother rabbit became sick before she gave birth.

• A mutation occurred during the development of this one rabbit.

• The one rabbit received less nutrition that the other rabbits before it was born.

Answer explanation

Tags

NGSS.MS-LS3-1

Which is an example of an inherited trait?

• dimples

• intelligence

• weight

• favorite

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4