NC 5th Grade EOG Life Science Review

What three systems work together to move the body?

• Skeletal, Muscular, Nervous

• Skeletal, Respiratory, Digestive

• Nervous, Circulatory, Skeletal

• Circulatory, Respiratory, Digestive

Which human trait is most likely inherited from a parent?

• learning to ride a bike

• holding a spoon

• reading a book

• height

Kim has freckles. Which best explains why?

• Kim likes freckles

• All babies have freckles

• Kim's parents have freckles

• Kim's mother wants the baby to have freckles

Which lists animals that live in an aquatic ecosystem?

• black bear, deer, vole

• ducks, turtles, amphibians

• panthers, monkeys, snakes

• prairie dogs, bison, grasshoppers

In a grassland ecosystem, if the population of eagles suddenly decreased, what will most likely be the effect on the rest of the ecosystem?

• The ecosystem will become overpopulated with snakes

• There will be a decrease in the population of snakes in the ecosystem

• The nutrition of the soil in the ecosystem will decrease

• More types of plants will begin growing in the ecosystem

An ecosystem is a community of organisms interacting with their physical environment. Why are decomposers an important part of ecosystems?

• They break down dead organisms to return nutrients to the soil.

• They produce their own food for survival.

• They play a role in preventing weathering and erosion.

• They provide most of the energy to consumers.

If wolves prey on deer for food, what will most likely happen to the deer population if wolves are removed from an area where deer live?

• the population of deer will increase.

• The population of deer will decrease.

• The population of deer will remain the same.

• The population of deer will become extinct.

Which can be concluded about the trees that grow in a temperate deciduous forest?

• The trees require constant direct sunlight to survive

• The trees grow only during the warm months of the year

• The trees have adapted to survive the change of seasons

• The trees are unable to grow in climates that have constant rainfall

An organism has several major body systems that work together to allow the organism to survive. Which best describes this organism?

• It is a single-celled organism.

• It is a multi-celled organism.

• It is a simple organism.

Which statement describes the cellular makeup of a deer?

• Deer are made of one cell that carries out one life process.

• Deer are made of one cell that carries out all different life processes.

• Deer are made of many cells that are specialized to carry out different life processes.

• Deer are made of many cells that carry out one life process.