5th Grade Science 5.L.2.1

What statement best compares a pond ecosystem to a lake ecosystem? A) A pond ecosystem is usually more shallow. B) A pond ecosystem usually has more organisms. C) A pond ecosystem usually receives less sunlight.

A) A pond ecosystem is usually more shallow.

Grasslands have very few trees while forests have many trees. Why is this statement true? A) Grasslands receive less rain than forest. B) Grasslands receive less sunlight than the forests. C) The animals of the grassland eat small trees before they can grow.

A) Grassland receives less rain than forest.

Which best describes the similiarites between grasslands and forests? A) Grasslands have moderate temperatures like forest ecosystems. B) Grasslands have plentiful grasses and trees like many forests. C) Grasslands are dry like most forests.

A) Grasslands have moderate temperatures like forest ecosystems.

Which best describes what makes one ecosystem different from another? A) the amount of sunlight, rainfall, temperature, and species types B) the amount of animals, oxygen, plant life, and pollution C) the amount of carbon dioxide, oxygen, water, and soil D) the amount of soil, water, buildings, and humans

A) The amount of sunlight, rainfall, temperatures, and species types

How are a salt water marsh and a lake most similar? A) They both have diverse organisms. B) They both are near the ocean. C) They both have salt water.

A) They both have diverse organisms.

Which best describes a forest ecosystem? A) an ecosystem with various trees, shrubs, diverse animals, and adequate rainfall B) an ecosystem with freshwater surrounded by land and includes a variety of animals C) an ecosystem with only grass, fertile soil, and varying temperatures depending on location

A) an ecosystem with various trees, shrubs, diverse animals, and adequate rainfall

Which list includes organisms commonly found in a deciduous forest? A) deer, squirrel, mouse B) cactus, wildflowers, tortoise C) grass, prairie dogs, bison D) lizard, scorpion, kangaroo rat

A) deer, squirrel, mouse

Which ecosystem has lifeforms most similar to those of the ocean? A) estuary B) lake C) pond D) swamp

A) estuary

Which marine ecosystem would be best for organisms that can adapt to both salt water and fresh water? A) estuary B) lake C) pond D) river

A) estuary

Which ecosystem would most likely contain fish that can only survive in freshwater? A) lake B) ocean C) estuary

A) lake

Which ecosystem contains the largest mammals? A) ocean B) pond C) river D) swamp

A) ocean

In which ecosystem would both algae and tadpoles most likely found? A) pond B) ocean C) tide pool D) coral reef

A) pond

Joey was walking through a forest when he looked up and saw a monkey being chased by a panther. Which type of forest was he most likely visiting? A) rainforest B) deciduous forest C) coniferous forest

A) rainforest

Which is most similar between an ocean water ecosystem and a pond water ecosystem? A) the variety of organisms B) the amount of space available C) the type of nutrients available D) the climate and daily temperature

A) the variety of organisms

Which is most likely the greatest challenge to organisms living in estuaries? A) the varying levels of salt B) the animal diversity that exists C) the amount of sunlight received D) the changes in water temperature

A) the varying levels of salt

Which statement best compares forest ecosystems to grassland ecosystems? A) Forest ecosystems have higher average temperatures than grassland ecosystems. B) Forest ecosystems receive more precipitation than grassland ecosystems. C) grassland ecosystems receive more precipitation than forest ecosystems.

B) Forest ecosystems receive more precipitation than grassland ecosystems.

Which is most accurate in describing an estuary ecosystem? A) High salt levels keep the water clear of nutrients and proteins. B) Freshwater mixes with saltwater to provide a nutrient-rich environment. C) Animals and plants compete for food due to pollution from surrounding areas. D) Cold water mixes with saltwater to create a cooling effect that encourages growth.

B) Freshwater mixes with saltwater to provide a nutrient-rich environment.

Which comparison of ecosystems is true? A) Tundras are warmer than grasslands. B) Grasslands get more rain than deserts. C) Deserts have more plants than rainforests. D) Rainforests are rockier than tundras.

B) Grasslands get more rain than deserts.

Which could be a challenge for a small animal living in a grassland ecosystem? A) The frozen ground is too hard to serve as shelter. B) The flat terrain makes it easy for predators to spot prey. C) The extreme temperatures require thick skin and heavy fur. D) The high amounts of precipitation create excess water resources.

B) The flat terrain makes it easy for predators to spot prey.

Which best explains why tropical rainforests alwasy have warm temperatures? A) They are at low altitudes. B) They are near the equator. C) A canopy of trees traps heat. D) The many animals produce heat.

B) They are near the equator.

How are estuary and ocean ecosystems similar? A) They both have rich soil. B) They both contain salt water. C) They both support a lot of plant life. D) They both have extremely cold temperatures.

B) They both contain salt water.

Which best describes most estuaries? A) They are natural water purification systems. B) They provide freshwater for plants and animals. C) They are areas that prevent ocean water from coming inland. D) They provide soil that has not been affected by pollution.

B) They provide freshwater for plants and animals.

Which is most similar to a grassland ecosystem? A) a lake B) a plain C) a forest

B) a plain

Which best describes a lake ecosystem? A) contains only salt water B) contains only freshwater C) contains both freshwater and salt water

B) contains only freshwater

Which are the most common ecosystem in North Carolina? A) estuary, grassland, rainforest B) deciduous forest, estuary, ocean C) grassland, ocean, temperate forest D) deciduous forest, ocean, desert

B) deciduous forest, estuary, ocean

Which animal would you most likely find in a deciduous forest? A) bison B) deer C) duck D) panther

B) deer

Which of these ecosystems supports the widest variety of plants and animals? A) desert B) estuary C) grassland D) deciduous forest

B) estuary

An ecologist is comparing two different ecosystems and creates the following list of similarities: - aquatic - diverse fish life - high salt concentration - plentiful light at the water's surface Which two ecosystems was the ecologist most likely comparing? A) ocean and lake B) estuary and ocean C) grassland and pond

B) estuary and ocean

A scientists took pictures of a deer, a black bear, and a squirrel in the wild. In which ecosystem did the scientist most likely take the pictures? A) estuary B) forest C) grasslands D) salt marsh

B) forest

The American grasslands are home to which types of animals? A) elephants, lions, and zebras B) foxes, prairie dogs, and rabbits C) lizards, tortoises, and weasels D) wolves, deer, and bears

B) foxes, prairie dogs, and rabbits

Which ecosystem receives the least amount of precipitation? A) estuary B) grassland C) tropical rain forest

B) grassland

The Russian thistle, commonly known at the tumbleweed, is a big, round plant with many branches and short, stiff leaves. This plant spreads a large number of seeds when it breaks off from its stalk. This thistle is most likely found in what kind of environment? A) swamp B) prairie C) forest D) tundra

B) prairie

Which is a difference between a tropical rainforest and a deciduous forest? A) A tropical rainforest is smaller in size than a deciduous forest. B) A tropical rainforest receives. more sunlight than a deciduous forest. C) A tropical rainforest receives a greater annual precipitation than a deciduous forest. D) A tropical rainforest has a greater number of rivers and lakes than a deciduous forest.

C) A tropical rainforest receives a greater annual precipitation than a deciduous forest.

Which statement best describes how ponds and lakes are similar? A) The temperature of the water increases as depth increases. B) Most organisms live in the deepest part of the bodies of water. C) More plant life is found in the shallow areas of lakes and ponds.

C) More plant life is found in the shallow areas of lakes and ponds.

What is the difference between an ocean ecosystem and a lake ecosystem? A) Ocean ecosystems have less plant life than lake ecosystems. B) Ocean ecosystems have less animal life than lake ecosystems. C) Ocean ecosystems have saltwater and lake ecosystems have freshwater.

C) Ocean ecosystems have saltwater and lake ecosystems have freshwater.

Jack learned about an organism that can survive in shallow ocean ecosystems as well as salt marshes. Which characteristic does this animal most likely possess? A) The organism can survive with a very small amount of food. B) The organism can survive with very light sunlight. C) The organism can survive in salt water.

C) The organism can survive in salt water.

Which is true of a tropical rainforest? A) They are found only in South America. B) Only a few different species of plants and animals can be found there. C) The tree canopy causes only a small amount of sunlight to reach the ground. D) Each organism found in a rainforest can also be found in a deciduous forest.

C) The tree canopy causes only a small amount of sunlight to reach the ground.

Which can be concluded about the trees that grow in a temperate deciduous forest? A) The trees require constant direct sunlight to survive. B) The trees grow only during the warm months of the year. C) The trees have adapted to survive the change of seasons. D) The trees are unable to grow in climates that have constant rainfall.

C) The trees adapted to survive the change in seasons.

Which statement best describes what an ocean and a pond have in common? A) They are both ecosystems that rely on each other for survival. B) They are both ecosystems that support human and animal life. C) They are both ecosystems that support plants, animals, and microorganisms. D) They are both ecosystems that support the same types of plants, animals, and microorganisms.

C) They are both ecosystems that support plants animals, and microorganisms.

Which type of ecosystem can be found in the mountain region of North Carolina? A) estuary B) grassland C) deciduous forest D) tropical rain forest

C) deciduous forest

Which ecosystem averages the least amount of annual precipitation? A) estuary B) forest C) grassland D) salt marsh

C) grassland

Which ecosystem has the greatest biodiversity? A) grassland B) desert C) ocean D) lake

C) ocean

Which type of ecosystem has the greatest variation in temperature from its top to its bottom? A) lake B) pond C) ocean D) estuary

C) ocean

In which ecosystem can the greatest variety of organisms be found? A) lake B) estuary C) rainforest

C) rainforest

Which ecosystem is most similar to an estuary? A) pond B) ocean C) salt marsh

C) salt marsh

Which would best survive in a freshwater ecosystem that includes populations of frogs, turtles, and salamanders? A) clams B) crabs C) snails D) oysters

C) snails

Which is a difference between abiotic and biotic factors? A) Abiotic factors are plants and biotic factors are animals. B) Biotic factors are plants and abiotic factors are animals. C) Abiotic factors are all living things and biotic factors are all nonliving things. D) Abiotic factors are all nonliving things and biotic factors are all living things.

D) Abiotic factors are all nonliving things and biotic factors are all living things.

How are all ecosystems similar to forest ecosystems? A) All ecosystems have plenty of trees for consumers to eat. B) All ecosystems provide nutrient-rich soil for the producers. C) All ecosystems provide diverse populations of small animals that consumers can eat. D) All ecosystems have an appropriate amount of sunlight to support the producers living there.

D) All ecosystems have an appropriate amount of sunlight to support the producers living there.

Which best explains how a pond ecosystem is similar to a rainforest ecosystem? A) Both ecosystems contain large amounts of water. B) Both ecosystems are found in most parts of the world. C) Both ecosystems contain the same communities of organisms. D) Both ecosystems support food webs made up of producers and consumers.

D) Both ecosystems support food webs made up of producers and consumers.

Which statement most accurately describes a pond ecosystem? A) Coral reef grow in a pond. B) Evergreen trees grow in a pond. C) Cattail and pond lily grow in a pond. D) Grasses and wildflowers grows in a pond.

D) Cattail and pond lily grow in a pond.

What best describes both marshes and swamps? A) Most of the plants in marshD)es and swamps are trees B) Most of the plants in marshes and swamps are glass. C) Most of the plants in marshes are trees. Most of the plants in swamps are grasses. D) Most of the plants in the marshes are grass. Most of the plants in swamps are trees.

D) Most of the plants in the marshes are grass. Most of the plants in swamps are trees.

Compares to the large number of plant species found in a forest ecosystem, which best explains why a desert ecosystem in unable to support a greater variety of plants? A) A desert ecosystem is located too high above sea level for most plants to grow. B) There are fewer animals in a desert, which decreases the need for large varieties of plants. C) There is not enough space available in a desert ecosystem for some plant varieties to grow. D) Most plants that live in a desert ecosystem must be able to conserve water for long periods of time.

D) Most plants that live in a desert ecosystem must be able to conserve water for long periods of time.

Which is a difference between the plant life of a rainforest and a deciduous forest? A) The deciduous forest has a warm climate year round while the rainforest has hot and cold extreme climates. B) The deciduous forest has the most diverse plant life of all ecosystems, while he rainforest plant life is scarce. C) The deciduous forest remains hot and wet year round, while the rainforest has a yearly cycle of plant growth due to changes of seasons. D) The deciduous forest has yearly cycles of plant growth due to changes of seasons, while the rainforest remains hot and wet year round.

D) The deciduous forest has yearly cycles of plant growth due to changes of seasons, while the rainforest remains hot and wet year round.

Which best describes a freshwater ecosystem? A) an ocean environment with living organisms B) an inland water environment with no living organism C) an ocean environment with living organisms and non living parts D) an inland water environment with living organisms and nonliving parts

D) an inland water environment with living organisms and nonliving parts

Which two ecosystems are terrestrial? A) ponds and lakes B) forests and estuaries C) oceans and grasslands D) forests and grasslands

D) forests and grasslands

Which best describes a desert during the day? A) cold and wet B) cold and dry C) hot and wet D) hot and dry

D) hot and dry

Which factor do forest and grassland ecosystems most likely have in common? A) the type of climate B) the amount of trees C) the soil composition D) the variety in organisms

D) the variety of organisms

Which terrestrial ecosystem has warm, humid conditions and a large variety of plants and animals? A) estuary B) grassland C) deciduous forest D) tropical rainforest

D) tropical rainforest

What is the main difference between marine and freshwater ecosystems? A) the amount of animals B) the amount of plants C) the amount of rocks D) the amount of salt

the amount of salt