Science

Which of the following is not an example of natural selection?

What did Darwin not understand about the process of evolution?

When certain genes make organisms more likely to survive and reproduce, which process can occur?

What is it called when separated groups of a population cannot mate with each other

Over the years, the excessive use of antibiotics has resulted in the development of what scientists call "super bacteria" these super bacteria are resistant to known antibiotics. This is an example of ____________ in action

Dust minerals and soil cover the remains of organisms are called __________

Which of the following is not an example of natural selection?

Many insects can adapt very quickly to insecticides because

The trace of remains of an organism that lived long ago most commonly preserved in sedimentary rock are a

Over time animals may change behavior or physical appearance in response to changes in the environment

What are two signs different species may have a common ancestors

Scientists compare organisms DNA to support the theory that all species share a common

A characteristic that can be passed from parent to offspring through genes is called a

Which of the following do scientists think was an ancestor of whales

Populations of all species are limited by

Which of the following features did whales possibly inherit from a four legged ancestor?

The formation of a new species as a result of a new evolution is called

If natural selection is taking place a population will tend to be ___________ to its environment

Describe three possible geological causes of population separation.

Scientists have learned that traits are inherited through the __________ _________ of DNA

How do scientists use the location of fossil discoveries

The theory of natural selection explains how a population changes in response to its ___________environment

Slow changes in populations over time are known as __________

The time between one generation of offspring and the next is _____________ ______

The history of life shown by remains of once-living organisms is the _______ ________

Members of a species who live in the same place are a(n) ______________

A group that can mate and have fertile offspring is a(n) _________

How do scientist use the location of fossil discoveries to determine the order in which different organisms live on year

Before the 1800's people thought that the Earth was much younger than it actually was. How did the discovery of Earths actual age help support Darwins theory of evolution?

Two animals have mates and produced offspring. Is this enough information to know of the two original animals are the same species? Why or why not?

List 2 reasons why gaps exist in fossil records

Over time certain front populations have begun to mate at different times of year. Because of this, they no longer are able to mate with each other. Are these frogs part of the same species? Explain.

A timeline of provided by the remains or imprints of dead organisms

The splitting apart of a portion of a population

Which process does not release carbon dioxide into the enviroment

Why is the carbon cycle important to living things

In a neuron, impulses move

Which of the following is not a function of the medulla?

A feedback mechanism is

Which of the following carry information between the body and the central nervous system

Long nerve fibers that convey electrical impulses to other cells are called

The clear membrane that protects the eye and allows light to enter is the

Voluntary actions are carried out by the ___________ nervous system

The spinal cord is protected by

Which part of the brain is used for thinking and memory

The correct sequence for structures that light passes through when entering through the eye from outside to inside

Which body system does skin belong to?

The tube in the inner ear that is necessary for hearing is the

The tiny bumps that cover the tongue are

The medulla controls ____________ processes

The light sensitive are in back of the eye is called the

Motor neurons are part of the __________ nervous system

The brain sends messages through ________ _________ to skeletal muscles, causing them to contract

The short, branched extensions of a nerve-cell body that receive information are

Several brain diseases involve loss of cells in the cerebellum. What is one symptom you might expect to see in such a disease? explain

Explain how a spinal cord injury could leave a person unable to move his or her legs voluntarily?

List five sensations that are detected by receptors in the skin

Describe the iris and it's function

States the three functions of the cerebrum

Specialized nerve ending that detects changes inside and outside the body

Brain region that helps maintain balance

Brain region controlling heart rate

Connects the central nervous system or CNS to the rest of the body

Olfactory cells are

When a parasitic worm invades an animal, who is the host

What happened to other living things when the wolves no longer lived in yellowstone

A bird eats a worm, who is the predator

In which relationship do living things help each other

Organisms that can make their own food from sunlight are called

Which is an example of an abiotic element changing an area

What does it mean when an arrow points from a grasshopper to a coyote?

An environmental study reporting on the way temperature, water quality, and minerals affect the animals in a salt marsh would be considering which level of organization

Herbivores, carnivores, and omnivores and all

Limiting factors determine an area's carrying capacity because

The five levels of organization in the environment, from first to the fifth level are

What kind of elk do wolves kill?

In a food web arrows point in just on direction because they show

A community is several species of animals interacting while a population is

A diagram showing food energy going from one living thing to another is a(N)

A food web shows energy connections better than a(n)

A spider that feeds on live insects is an example of a(n)

The part of the earth where life exists is the

When the close interaction between two organisms results in long term changes in both organisms, ____________ has taken place

A river carrying nutrients is a(n) ___________ factor that helps an ecosystem

All the population of living things in the same place are a(n)

A relationship where one organism is benefits and the other is harmed

A relationship in which two different organisms live in close association with each other

A relationship between two organisms in which one benefits and the other is not affected

An organism that is killed and eaten by another organism

The term to describe a sparrow that has been caught by an eagle

The depth of the ocean to the height of the air

A triangular diagram that shows how energy is lost as animals eat other living things

Which of the following bacteria break down organic matter and return carbon dioxide and water to the environment

Which process does NOT release carbon dioxide into the environment

Destruction of habitats has a harmful affect on

Why is the carbon cycle important to living things

Wastewater that goes down the drain can be reclaimed and used

The process of recovering valuable or useful materials from waste or scrap is called

What happens to most of the precipitation that falls to the earths surface

Why is paper packaging better for the environment than plastic

Which of the following is an unwanted change to the environmental that is caused by harmful substances

How do most animals get the carbon they need

What effect does biodiversity have on a forest

An example of habitat destruction is

Natural resources that can be replaced at the same rate they are being consumed

Carbon is returned to the environment when sugar molecules are Brocken down durning the process of

The carbon in coal oil and natural gas is returned to the atmosphere durning

Earths supply of fresh water in renewed by

Water helps regulate your body temperature through perspiration and

Percipitation that is stored in the ground

Precipitation that runs off land to rivers and lakes is

Minerals and fossil fuels are examples of

The us gov organization created to help protect the environment is the

People practice ______ when they work to preserve natural resources

Losing one species could harm an entire

Explain how throwing plastic into a marine environment might harm animals that live there

What do both the water cycle and the carbon cycle have in common

Give one example of how you can reduce reuse and recycle a natural resources

Describe the role of bacteria in the nitrogen cycle

Why is coal consider an nonrenewable resource

Suppose a scienctist proposed a plan to destroy all bacteria on the earth in order to get rid of diseases caused by bacteria. Would this be a good plan why or why not

Recycling and buying recycled products

Saving wetlands and cutting down fewer trees

Using more renewable energy like solar and wind power

Burning if a substance

The number and variety of organisms in an area at one time

A natural resource that can be replaced at the same rate at which it is being consumed such as solar energy

A natural resource that forms more slowly then the rate at which it is consumed such as gasoline and diesel

What is the type of mutation where a base is added to the genes

Using Dna to identify who has committed a crime

In what type of mutation is one base left out

What determines how tall you are or if you have curly or straight hair

Which type of mutation causes sickle cell anemia

Each set of three bases is a code for

A scientist invents a genetic test that people in some families have a higher risk of a rare disease. Is this an example of DNA. Fingerprinting or genetic engineering explain your answer

Explain the relationship between genes and proteins

Give three different kinds of mutagens

A mother goes into labor and the baby is ready to be born afte how many weeks of pregnancy

The gentic information passed on to offspring is carried by the sperms and eggs

Which organism would have similar embryology to a calf

A females egg is fertilized when it is in the

Where does implantation occur and the embryo develop

When a zygote divides and forms a ball of cells it is known as

Which group of organisms lack amniotic sac

Which of the following placental mammals have opposable thumbs forward facing eyes and a large brain

The developing embryo is connected to the placenta by

What cell begins to form early on in the developing embryo

Hoe do placental mammals develope in the uterus

What is puberty give ages that boys and girls reach this milestone

Infants can handle large objects such as blocks but they can't tie their shoes until they are well into childhood. What does this tell you about the development of muscle coordination and control in a growing child