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WorksheetsFINAL REVIEW FOR SCIENCE 2023
Total questions: 73
Worksheet time: 42mins
An organism that can make its own food
Consumer
Decomposer
Producer
Scavenger
The many overlapping food chains in an ecosystem make up a(n)
Food web
Niche
Energy pyramid
Feeding level
Consumers that eat both plants and animals are called
Omnivores
Herbivores
Carnivores
Scavengers
Vultures, which feed on the bodies of dead organisms are
First level consumers
Scavengers
Producers
Herbivores
The first organisms in a food chain is always a
Consumer
Herbivore
Carnivore
Producer
The nonliving parts of an ecosystem are called
Populations
Organisms
Biotic factors
Abiotic factors
To produce their own food, algae and plants use the abiotic factors sunlight, carbon dixoide and
Soil
Salt
Water
Bacteria
A population is all the members of one species living in a particular
Area
Habitat
Ecosystem
Community
A group of antelope leaving the herd in search of better grassland is an example
Immagration
Emigration
Increasing birth rate
Decreasing death rate
If you count 20 beetles in a garden measuring
100 beetles per square meter
20 beetles per square meter
5 beetles per square meter
4 beetles per square meter
An organism particular role in its habitat or when and how it survives is called
Carrying capacity
Ecosystem
Competition
Niche
all of the following are examples of limiting factors, except
Food
Soil
Space
Weather conditions
which of the following is an example of a predator adaption
A porcupines needle
A sharks powerful jaw
A frogs bright colors
A plants poisonous chemicals
A hawk building its nest on an arm of a cactus is an example of
Commensalism
Mutualism
Parasitism
Predation
which of the following is a biotic factor in the prairie ecosystem?
Water
Sunlights
Soil
Grass
The struggle between organisms to survive in a habitat with limited resources is called
Competition
Predation
Symbiosis
Parasitism
population density is defined as
an approximation of a number based on the reasonable assumptions
The number of individuals of a population in a specific area
The number of individuals moving into a population
The smallest level of ecological organization
The largest population that an environment can support is called its
carrying capacity
limiting factor
birth rate
death rate
A early winter frost, preventing further growth in a tomato garden is an example of
carrying capacity
A limiting factor
A biotic factor
The smallest unit of ecological organization is a single
population
Community
organism
ecosystem
which of the following is an example of a population?
The cats and dogs in a neighborhood
The bushes and grass in a park
The rocks in a rock collection
The gray wolves in a forest
all the different populations that live together in an area, make up a a
organism
Community
species
ecosystem
The study of how things interact with each other, and with their environment is called
ecology
photosynthesis
Community
biotic studies
mutualism, Commensalism, and parasitism are the three types of
symbiotic relationship
predation
competition
Prey adaptions
which of the following is an abiotic factor in a ecosystem
soil
Grass
fungi
bacteria
which interaction between the wolf and the deer populations is indicated by the data in this graph
competition
predation
Commensalism
Mutalisim
what is likely explanation for the change in shape of the curve after six hours?
The population entered a seasonally, slow growth
immigration of bacteria became greater than emigration
conditions for the population, growth improved toward the end
limits on space and food slow the population growth at the end
A(n) ____ is an organism that can make it own food. An organism that feeds on other organisms is called a ___, and a(n) ___ breaks down biotic waste and dead organisms
scavenger carnivore herbivore
herbivore carnivore scavenger
consumer producer decomposer
Producer, consumer, or decomposer
how are herbivores and omnivores different from one another
herbivores are producers, and omnivores are consumers
herbivores are only producers and omnivores are both producers and consumers
herbivores eat only producers and omnivores eat only animals
herbivores eat only producers and omnivores eat both producers and animals
how are a food chain and a food web different?
A food chain shows how energy passes from predator to pray a food web, shows how it passes from producer to consumer
A food chain links, all organisms to energy from the sun, a food web links organisms to energy from producers
A food chain shows one path of energy moving through an ecosystem. A food web shows many paths.
none of the above
in a food web in a freshwater ecosystem, shrimp and mayflies eat water plants. leeches eat shrimp. trout eat mayflies, which organism is a producer
water plants
mayflies
leeches
trout
what is the difference between Emigration and immigration?
immigration affect, population size while Emigration affect population density
immigration is moving into a population while Emigration is moving out of a population
immigration causes minor changes in the population, while Emigration causes major changes
none of the above
what condition can cause a population to stop growing in size
climate change
Limited space
lack of food and water
all of the above
how do you limiting factors such as food water and space affect population growth
they limit the number of organisms to one offspring per parent
food and water can decrease the number of organisms in a population, but space increases population
When they are in short supply, some organisms may die
when they’re easy to obtain the population decreases
which term describes the behavior and physical characteristics that allow organisms to live successfully in their environments
niches
adaptations
natural selection
specific roles
which snake adaptation best helps it to survive in this community
no legs
small head
Sharp fangs
scaly skin
within a freshwater ecosystem, trout, eat insects and crayfish. Eagles and otters eat trout. given this information, only which organisms are predators
Eagles and trout
insects and Cray fish
trout and insects
otters and Cray fish
owls, often prey on mice. What adaptation might help mice avoid becoming prey.
large ears for hearing sounds from nearby predators
fur color that works as camouflage
small size for hiding easily
all of the above
Commensalism, Mutalisms, and Parasitism are three types of
Phenotypes
Niches
Predation
Symbios
A tapeworm attaches to the inner intestinal wall of a black bass and absorbs nutrients from the fishes food. What is the relationship between the tapeworm and the bass
The tapeworm is the parasite, and the black bass is the host.
The tape worm is the prey, and the black bass is the predator
tapeworm benefits from the black bass, but does not cause harm
The tapeworm, and the black bass both benefit from their relationship
what is genetic diversity?
The various alleles that are passed from parent to offspring
The differences between species of plants and animals
having two different alleles for the same trait
The variations in alleles within a population
when autumn changes to winter, what is the short term affects on a population of birds?
they die
they migrate
they hibernate
they stop growing
what is a long-term change that may affect organisms and population?
geologic change
climate change
habitat destruction
all of the above
what effect does excessive deaths in a population from habitat destruction have on the genetic diversity of successive generations?
it would decrease genetic diversity, because fewer alleles exist in the population
it will decrease, genetic diversity, because mostly unfavorable alleles would remain
it would increase genetic diversity, because survival rates would be higher
it would increase genetic diversity, because survival rate would be lower
which statement tells how is squirrel depends on a biotic factor to
it eats nuts
drinks water
it gets oxygen from the air
it is warmed by the sun
which description best identifies the relationship between the grasshopper and the frog in this food web
parasite/host
Predator/prey
Producer/consumer
Producer/predator
what effect would an unusual pattern of multiple floods during a three-year period have on a population of trees growing in the flooded area?
The population size would increase
The populations genetic diversity would increase
The population would be adopted to frequent floods
none absolutely none of the above
according to this food web, which of the following producers provides the primary source of energy for the duck
algae
diatoms
Grass
zooplankton
A student wants to investigate abiotic factors that affect tomato plants. He obtains for identical, tomato plants. Which of the following investigations might he perform?
he could give each plant a different amount of water, and then measure how much each plant grows
he could vary the number of tomatoes. He picks from each plant each day, and then measure the number of tomatoes each plant produces.
he could plant each tomato plant among different types of flowers and shrubs, and then measure how much each tomato plant grows
he could expose each plant to a different population of insects, and then measure how much each plant grows
what is the highest level of organization for living and nonliving things?
Community
ecosystem
Family
population
populations become adapted to their environment, when
alleles are passed from parent to offspring
favorable alleles develop to help organisms
organism survive to pass favorable alleles to their offspring
organisms traits change in response to changes in the environme
hey, family notices that her dog has fleas fleas bite and consume the blood of the dog, causing it to itch. Which of the following best describes the relationship between the dog and the fleas
The dog and fleas have a predator/prey relationship
The dog and fleas have a consumer/producer relationship
The dog and fleas have a parasite/host relationship
The dog and fleas have a abiotic/biotic relationship
an ecologist studies, a population of bees. He notices that the size of the population varies when certain conditions in the environment change. An increase in which of the following would most likely result in a decrease in the bee population.
competitors
food supply
Shelter
water supply
which list of organisms includes only producers
Lily, mouse, earthworm
cattail, rose, pine tree
fungus, bacteria, catfish
Grass, mimosa, Kingfisher
which list of organisms includes only consumers
cattails, dear, fungus
bobcat, rabbit, Clover
Hawk, mouse, dragonfly
woodpecker, bamboo, bullfrog
within a flock of birds, one bird can open tougher seeds than all other birds, which statement explains why the bird has this unique ability
The bird kept trying to eat tougher seeds until it could
The bird inherited alleles from his parents that coded from the adoption
The bird decided to adapt to make use of the unused food source
The organisms within alleles favorable to live with limited water, survived and pass on these alleles to their offspring
population of mice has adapted to an environment with very little surface water. Which statement explains how the population adapted to its environment.
The organisms learn from one another, and develop the adoption
The organisms decided to change and adapt to the environment
The organisms never needed much water to live
The organisms within alleles favorable to live with limited water, survived, and passed on these alleles to their offspring
True or false: organisms that capture the energy of sunlight to make food are called producers
True
False
True or false: an insect looks like a leaf, so it blends in with its surroundings and it’s hard for predators to see. The insect characteristics is an example of commensalism
True
False
both species benefit in the type of symbiosis called mutualism
True
False
True or false: population size generally increases if the birth rate is greater than the death rate
True
False
True or false: bees and flowers are biotic factors in an ecosystem
True
False
bacteria and fungi are known as (a) because they break down the remains of an organism
The energy role of a grizzly bear is that of a (a) because it cannot make its own food
A diagram called a (a) shows how much energy is available at each level of a food web
The energy role of the first organism in a food chain is always a (a)
nutrients in the soil from the king remains of an animal, is a (a) factor of an organisms habitat
all the biotic and abiotic factors in an area together, make up a (a)
The sick for of a polar bear is a (a) that allows the bear to live successfully and its environment
is food is scars, it becomes a (a) factor that prevents population growth
Prairie dogs, and snakes and grass make up a level of ecological organization, called a (a)
The study of how living things interact with each other, and with the environment is called
(a)
A hawk building, a nest on the arm of a cactus without hurting. The cactus is an example of the symbiotic relationship called (a) .
