1st Six Weeks Environmental Science Review | Baamboozle - Baamboozle

Which of the following would INCREASE the carrying capacity of an ecosystem?

increase in available food

increase in predators

disease

drought

The wolf goes extinct, and the deer population has no predator to worry about. They graze the land. Because there is no more food. Some of the deer begin to bite at each other, while others die of starvation. What is the limiting factor?

Overcrowding

Competition

Predator-Prey Relationships

Herbivory Effect

A duck population normally begin migrating south right after the last rain of the late summer season. Suddenly, they’re migrating much earlier. The climate has been changing far too often which is altering the effects of their magnetite

Weather

Predator-Prey Relationships

Herbivory Effect

Competition

A group of elephants gets stuck in mud at the edge of the river from a recent mud slide. A lion waits for an elephant to get tired before it attacks. What is the limiting factor to the elephant population?

Natural disaster

Predator-Prey Relationships

Herbivory Effect

Competition

Two arctic fox are fighting with a polar bear for a sea lion carcass. One fox distracts the bear while the other eats. What type of limiting factor is the polar bear?

Competition

Predator-Prey Relationships

Herbivory Effect

Weather

Look at the image and answer the question.

carrying capacity

Look at the image and answer the question.

D

What type of growth is shown in graph B?

exponential

Look at the image and answer the question.

logistic

8. What will happen if all of the frogs in a population die?

Frog's predators: decrease; frog's prey: increase

Frog's predators: increase; frog's prey decrease

Since lynx prey on hares, an increase in the hare population causes an increase in the lynx population.

density dependent

A lion and a cheetah attempt to occupy the same niche. The more aggressive lion survives; the cheetah does not.

density dependent

Excessive amounts of rain caused a flood in the southwest United States that resulted in substantial amounts of deaths in the rabbit population? This situation is an example of a density _____________ limiting factor.

density independent

Look at the image and choose the correct answer.

1000

Look at the image and choose the correct answer.

around 500

When a specific population grows past the ecosystem's carrying capacity, what happens to the population?

Density dependent factors reduce population

Density independent factors reduce population

The population will go extinct due to lack of resources

The population grows then finds a new carrying capacity

Ten breeding pairs of mink are introduced onto an island with no natural predators and a good supply of water and food. What will most likely happen to the mink population?

It will increase until it exceeds carrying capacity.

It will remain constant due to equal birth and death

It will die out.

It will decrease and then increase forever.

Mice produce a large number of offspring all year long, yet the number of mice within a given population changes very little from year to year. The stability of the population size is most likely the result of

limiting factors that keep the population in check

mice continuing to reproduce when its population is large

the survival of more female mice than male mice

the development of mutations in young mice

One species of Galapagos finches, the cactus finch, eats insects off cactus plants. A disease kills off most of the cacti in the Galapagos Islands. Which of these most likely would happen to the carrying capacity of the island?

Decrease a lot because there is less to eat.

Increase a small amount since the insect population decrease

Remain about the same since the finches would change diet

A scientist was studying a population of fish in a pond over a period of 10 years. He observed that the population increased each year for 3 years, and then remained nearly constant for the rest of the study. The best explanation for this

is the fish had reached carrying capacity

the fish had stopped reproducing

the fish had mutated into a different species

the fish had run out of food and all died

A population of salamanders that live in a river require clear, fresh water to survive. New housing developments have caused tons of sediment to muddy the river. Which of these most likely will happen to the salamander population?

Salamanders will decrease in number because of water quality

The salamanders go live on land.

The salamanders will move across land to another river.

The salamanders will quickly adapt to live in muddy water

In a large Maine forest with many animals and lots of space, there are only a small number of bears. Which of these most likely limits the population of bears in the forest?

supply of food

cloud cover in the atmosphere

space

types of trees in the area

Which factor that limits a population’s size is important especially when population numbers become large and dense?

competition for food

seasonal changes

extreme weather

sea level height

The reason that organisms cannot produce populations of unlimited size is that

The resources of Earth are limited.

Populations always stay exactly the same.

There is no carrying capacity for the whole Earth.

Species rarely compete with each other for food.

Look at the image and choose the correct answer.

water availability

Look at the image and choose the correct answer.

It will increase

When a population grows past the ecosystem's carrying capacity, what happens to the population?

The population starts to die off and returns to the carrying

It continues to grow higher and higher.

The population will go extinct due to lack of resources.

In a forest ecosystem, which of the following is NOT an example of a limiting factor that would greatly affect a rabbit population?

a rainy season

a disease that causes rabbits to die

grass available to eat

the population of hawks that eat rabbits

Look at the image and choose the correct answer.

70

a type of climate found in areas that are farther from the equator than the tropics, where there are changing seasons and mild weather that is neither too hot or too cold

temperate

microscopic, free-floating, autotrophic organisms that function as producers in aquatic ecosystems

phytoplankton

A PRIMARY PRODUCER would be found where in a food chain/food web?

at the bottom, receiving energy directly from the Sun

near the bottom, receiving energy from an autotroph

near the middle, receiving energy from both autotrophs and h

at the top, receiving energy from a heterotroph

The APHOTIC ZONE differs from the photic zone in that is lacks

sunlight

series of steps in an ecosystem in which organisms transfer energy by eating and being eaten

food chain

tiny algae and animals that float in water and are carried by waves and currents

plankton

any biotic or abiotic factor that restricts the existence, numbers, reproduction, or distribution of organisms

limiting factor

Of the following would a SECONDARY CONSUMER consider a worthy meal: algae, beetle, rabbit, dandelion?

rabbit

an organism that eats primary consumers

secondary consumer

network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem

food web

Of the following would a PRIMARY CONSUMER consider a worthy meal: algae, beetle, rabbit, dandelion?

algae and dandelion

Based upon the definition, which of the following is NOT an AUTOTROPH?

a human

a sunflower

a maple tree

a photosynthetic bacterium

The APHOTIC ZONE differs from the photic zone in that is lacks

sunlight

a carnivore at the topmost level in a food chain that feeds on other carnivores; an animal that feeds only on secondary consumers

tertiary consumer

consumer that feeds directly on producers

primary consumer

portion of the marine biome that is shallow enough for sunlight to penetrate

photic zone

the deeper layer of ocean water that lacks sufficient sunlight for photosynthesis

aphotic zone

an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide

autotroph

Which of the following correctly describes a FOOD CHAIN?

a single sequence of energy interactions within an ecosystem

all of the possible energy interactions within an ecosystem

amount of energy lost as heat in an ecosystem

amount of energy passed from trophic level to trophic level

Which of the following is NOT true of a CONSUMER?

A consumer will create energy from the Sun.

A consumer will eat autotrophs.

A consumer will eat heterotrophs.

A consumer will break down detritus.

the first producers of energy-rich compounds that are later used by other organisms

primary producer

The PHOTIC ZONE of the ocean will contain

sunlight and producers

Based upon the definition, which of the following would NOT be considered a HETEROTROPH?

producer

carnivore

omnivore

detritivore

an organism that obtains energy by consuming other organisms

consumer

organism that obtains energy from the foods it consumes; also called a consumer

heterotroph (carnivore; herbivore; omnivore; detritivore)

Which of the following would be considered a TERTIARY CONSUMER?

hawk

fox

beetle

rabbit

organisms that share the same nutritional relationships within an ecosystem

trophic level

dead or decaying organic matter

humus or detritus

Which of the following questions could NOT lead to an experiment?

Recreate the water cycle in a bag.

How much water flows through a faucet at different openings?

Does heating water allow it to dissolve more sugar?

Does an electric motor turn faster if you increase voltage?

A variable should _____ change from trial to trial

always

Which of the following would be considered a bias?

Those with curly hair tend to score higher grades in a class

Judges chose their favorite art from anonymous art pieces

Summers are hotter than winters.

Coca-Cola is the best-selling soda in the United States.

When researching, which of the following would be the most REPUTABLE source?

a peer-reviewed journal

a Wikipedia page

a .net webpage

a newspaper or magazine article

Which of the following would NOT be included in the Earth's ATMOSPHERE?

soil

nitrogen gas

carbon dioxide

water vapor

The Earth's ATMOSPHERE is best defined as which of the following?

The gases that surround Earth.

The area on Earth in which life exists.

The frozen water found on Earth's surface.

The rocky area of Earth's surface.

all the waters on the earth's surface, such as lakes and seas

hydrosphere

any living part of the environment with which an organism might interact

biotic factor

a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding

species

A species of organism must be able to

produce fertile offspring

produce infertile offspring

hunt in a pack

eat similar organisms

Which of the following correctly shows a POPULATION?

a group of deer living in a national park

a group of ducks and the aquatic plants they eat

a wolf living in a national park

two groups of feral cats inhabiting different alleyways in a

The rocky area of Earth's surface.

geosphere

The area on Earth in which life exists.

biosphere

Given the following list, which of the following would be considered abiotic: soil, water, trees, bacteria?

soil and water

Which of the following correctly shows a COMMUNITY?

a group of ducks and the aquatic plants they eat

a group of deer living in a national park

a wolf living in a national park

two groups of feral cats inhabiting different alleyways in a

Look at the image and choose the correct answer.

17%

33%

50%

100%

Look at the image and choose the correct answer.

V - producer; Z has .1% as much energy available to it as R

P - autotroph; T has 10% as much energy available to it as X

Q - producer; X and Y are either secondary or tertiary

S - plant; W is an omnivore and Y is a carnivore

Look at the image and choose the correct answer.

C; the crow is a primary and tertiary consumer

Look at the image and choose the correct answer.

Less energy is available in the 4th due to heat loss

Less energy is available in the 1st due to lack of ingestion

More energy is available in the 1st due to lack of movement

More energy is available in the 4th due to more muscle mass

Look at the image and choose the correct answer.

C; energy availability

Look at the image and choose the correct answer.

B; lions and eagles compete for food

Look at the image and choose the correct answer.

B; 50 kJ/m2/year

Look at the image and choose the correct answer.

A; 1 kcal of energy from catfish

Look at the image and choose the correct answer. What role do kangaroo rats have in the food web.

Herbivores that transfer energy when eaten by carnivores

Omnivores that transfer energy when eaten by carnivores.

Producers that transfer energy when eaten by herbivores.

Carnivores that transfer energy when eaten by omnivores.

Look at the image and choose the correct answer.

D; 10 kJ

Look at the image and choose the correct answer.

C; energy is used and lost

Look at the image and choose the correct answer.

C; tertiary consumer

Look at the image and choose the correct answer.

A; producers

Look at the image and choose the correct answer.

B; carnivore

Look at the image and choose the correct answer.

C; carbon stored is released, increasing CO2

Look at the image and choose the correct answer.

bacteria

plant

mushroom

squirrel

Look at the image and choose the correct answer.

water

carbon

hydrogen

sugar

Look at the image and choose the correct answer.

A; convert free nitrogen into usable substances

Look at the image and choose the correct answer.

D; viruses are living

Look at the image and choose the correct answer.

B; must use host's cellular machinery

Look at the image and choose the correct answer.

C; it lacks organelles

Look at the image and choose the correct answer.

A bacteriophage lacks major cell organelles.

A bacteriophage is a complex, unicellular organism.

A bacteriophage has a highly complicated DNA genome.

A bacteriophage lacks the RNA necessary for reproduction.

Look at the image and choose the correct answer.

B; they are unable to reproduce independently

a unicellular organism that lacks a nucleus and membrane bound organelles

prokaryote

process of reproduction involving a single parent that results in offspring that are genetically identical to the parent

asexual reproduction

type of reproduction in which cells from two parents unite to form the first cell of a new organism

sexual reproduction

the scientific study of life

biology

Metabolic processes would NOT include

the expression of genetic traits

breaking down glucose to create energy

building large molecules for energy storage

building proteins from amino acids

a membrane-like layer on some viruses

envelope

The fact that you do NOT leave your hand on a hot surface is a response to a _____

stimulus

a tiny, nonliving particle that invades and then reproduces inside a living cell using energy and resources provided by the host

virus

Which of the following would NOT be a component part of a virus?

a nucleus

DNA or RNA

a capsid

proteins

consisting of many cells

multicellular

When determining if a cell is eukaryotic, which of the following should you ALWAYS look for first?

a nucleus

the chemical processes that occur within a living organism in order to maintain life

metabolism

a protein coat surrounding a virus

capsid

Which of the following would not be considered a BIO-logical study?

inorganic chemistry- the study of chemicals

zoology - the study of animals

evolution- the study of changes in organisms

genetics - the study of DNA and traits

Which of the following would NOT be an example of sexual reproduction?

a sponge budding

a zebra birthing offspring

cross-pollination between two plants

egg + sperm = baby

A control should _____ change from trial to trial

never

in an experiment, the group that is exposed to the treatment, that is, to one version of the independent variable

experimental group

a description of how close a measurement is to the true value of the quantity measured

accuracy

a measure of how close a series of measurements are to one another

precision

the experimental factor that is manipulated; the variable whose effect is being studied

independent variable

dependent variable

controlled variable

not influenced by personal feelings or opinions in considering and representing facts

objective

subjective

injective

rejective

the standard by which the test results can be compared

control

independent variable

dependent variable

experiment

Which of the following is neither accurate NOR precise? (Real measurement: 2.01 cm.)

1.87 cm.; 3.2 cm.; 2.5 cm.; 1.92 cm.; 4 cm.

2.01 cm.; 2.0 cm.; 2.5 cm; 3.0 cm; 1.95 cm.

1.95 cm.; 1.97 cm.; 1.94 cm.; 1.95 cm.; 1.96 cm.

2.01 cm.; 2.00 cm.; 2.02 cm.; 2.00 cm.; 2.01 cm.

Which of the following is both accurate AND precise? (Real measurement: 2.01 cm.)

2.01 cm.; 2.00 cm.; 2.02 cm.; 2.00 cm.; 2.01 cm.

2.01 cm.; 2.0 cm.; 2.5 cm; 3.0 cm; 1.95 cm.

1.95 cm.; 1.97 cm.; 1.94 cm.; 1.95 cm.; 1.96 cm.

1.87 cm.; 3.2 cm.; 2.5 cm.; 1.92 cm.; 4 cm.

Which of the following is precise but NOT accurate? (Real measurement: 2.01 cm.)

1.95 cm.; 1.97 cm.; 1.94 cm.; 1.95 cm.; 1.96 cm.

2.01 cm.; 2.0 cm.; 2.5 cm; 3.0 cm; 1.95 cm.

2.01 cm.; 2.00 cm.; 2.02 cm.; 2.00 cm.; 2.01 cm.

1.87 cm.; 3.2 cm.; 2.5 cm.; 1.92 cm.; 4 cm.

Which of the following is accurate but NOT precise? (Real measurement: 2.01 cm.)

2.01 cm.; 2.0 cm.; 2.5 cm; 3.0 cm; 1.95 cm.

1.95 cm.; 1.97 cm.; 1.94 cm.; 1.95 cm.; 1.96 cm.

2.01 cm.; 2.00 cm.; 2.02 cm.; 2.00 cm.; 2.01 cm.

1.87 cm.; 3.2 cm.; 2.5 cm.; 1.92 cm.; 4 cm.

Describe the difference between accuracy and precision.

accuracy is closest to the real measure; precision is consistent

Based upon the suffix, which of the following would NOT be an enzyme?

lactose

lactase

maltase

dehydrogenase

self

auto-

hetero-

bio-

a-; an-

two; double

dipl(o)-

uni-

bio-

tri-

not; without; lacking

a-; an-

anti-

de-

ana-

Mr. Bayliss needs your help: He needs to find the constant variables for his experiment. He is trying to determine what shampoo leaves his beard the softest. Which variable would be controlled?

Amount of Shampoo

Type of Shampoo

Softness of Mr. Bayliss' beard

He doesn't need any constant variables

The librarians want to know which students are checking out what types of books. They are testing "Which type of book do 7th graders check out most often: fiction or nonfiction?" The genre of the book is

the independent variable

the dependent variable

a constant variable

Mr. B set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the controlled variable?

Height of the ramp

Distance traveled by the ball

Mass of the ball

Mr. B set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?

Distance traveled by the ball

Height of the ramp

Mass of the ball

Mr. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.

Mass of the ball

Distance traveled by the ball

Height of the ramp

One tank of gold fish is fed the normal amount of food once a day. A second tank is fed twice a day. A third tank is fed four times a day during a six week study. The fish’s weight is recorded daily. What is the control?

Size of the tank

Amount of food

The weight of the fish at the end

A student wanted to test how the mass of a paper airplane affected the distance it would fly. Paper clips were added before each test flight. As each paper clip was added, the plane was tested to determine how far it would fly.

IV: mass of plane; DV: distance plane flew

Two groups of students were tested to compare their speed working math problems. Each group was given the same problems. One group used calculators and the other group computed without calculators.

IV: use of calculator; DV: speed of completion

Students of different ages were given the same puzzle to assemble. The puzzle assembly time was measured. The independent and dependent variables are?

IV: Age of the students DV: puzzle assembly time

The time it takes to run a kilometre in a sweet ParkRun depends on the person’s running speed. What is the dependent variable?

Time to run a KM

Type of race

Person's running speed

Location of ParkRun

An investigation found that more bushels of potatoes were produced when the soil was fertilized more. What is the dependent variable?

Bushels of potatoes produced

Type of fertilizer

Who fertilized the potatoes

Where they were growing

Lemon trees receiving the most water produced the most lemons. What is the dependent variable?

Amount of lemons

Salt or fresh water

Amount of water

Type of citrus

Four groups of rats are first massed and then fed identical diets except for the amount of vitamin A they receive. Each group gets a different amount. After 3 weeks on the diet, the rats’ masses are measured again to see if there has been a

Amount of Vitamin A

Food they received

Type of vitamin

Rats' masses

Students measured the temperature of the water at different depths in Lake Skywalker and found that the temperature varied. What is the independent variable?

Depth of the measurement

Lake location

Temperature of the water

Measuring device

The higher the temperature of the air in the oven, the faster a cake will bake. What is the independent variable?

Temperature of the oven

Time to bake a cake

Type of cake

Place in the oven

The height of bean plants depends on the amount of water they receive. What is the independent variable?

Amount of water

Height of plants

Condition of soil

Salt or fresh water

A study was done to find if different tire treads affect the braking distance of a car. What is the independent variable?

Tire tread

Car

Braking distance