One function of connective tissue is to

an example of a ball-and-socket joint is your

Muscles found only in the heart are called

A place in the body where two bones come together is called a

The strong connective tissue that attaches muscle to bone is called a

The skeleton does all of the following except

A simple charbohydrate that serves as a major source of energy for your body is

The nutrients that provide the highest amount of energy are

A substance that speedsd up chemical reactions in the body is called a(n)

Amino acids are linked together chemically to form molecules of

Waste materials are prepared for elimination from the body in the

Bile is produced in the

A vessel that carriesd oxygen-rich blood to the heart muscle is called a(n)

Plasma is mostly composed of

Which of the following is NOT a characteristic of a vein?

The largest artery in the body is called the

The network of vessels that return fluid to the bloodstream is called the

Which of the following structures pumps blood into arteries leading to the lungs

Your body uses glucose and oxygen to produce energy during the process of

The major organs of the excretory system are the

Which of the following is NOT a kind of pathogen

A kind of white blood cell that destroys pathogens is a(n)

People with diabetes may not produce enough

A cell that carries information through your nervous system is a(n)

A bundle of nerve fibers is called a(n)

The brain stem

The chemical product of an endocrine gland is called a(n)

The link between the nervous system and the endocrine system is the

An endocrine gland that regulates other endocrine glands is the

Organisms that use the sun's energy to turn water and carbon dioxide into food molecules are called

A diagram that shows the amount of energy that moves from one feeding level to another in an ecosystem is called a(n)

The type of biome that exists in an area is determined by its

Succession is the series of predictable changes that occur over time in a

Which of the following is NOT a factor that affects biodiversity

A species that influences the survival of many other species in an ecosystem is known as a(n)

The major cause of extinction is

A plant's ability to fight disease is a result of its

Which of the following is not made of cells

A structure that is found in plant cells but not animal cells is a

The grainlike organellesd on which proteins are made are called

Which organelles convert energy in food molecules into energy the cell can use

The region between the cell membrane and the nucleus is called the

DNA and RNA are examples of

DNA replication occurs during

The final phase of the cell cycle is called the

The cell grows to its mature size during

An allele whose trait always shows up in an organism when teh allele is present is a

An organisms phenotype is its

a person who has one recessive and one dominant allele for a trait is called a

an adaption is any trait that helps an organism

The technique that allows scientist to determine the actual age of a fossil is called

An animal whose body temperature changes depending on the environment is called a(n)

All kinds of birds

Mammals are classified as monotremes, marsupials, or placental mammals accoriding to

An animals ability to maintain stable internal conditions is called

A group of organisms that can mate with each other and produce offspring that can also mate and reproduce is called a(n)

A substance that stimulates the body to produce chemicals that destroy virsus or bacteria is called a(n)

A substance that stimulates the body to produce chemicals that destroy viruses or bacteria is called a(n)

Which of the following is NOT a characteristic of an active virus?

Protozoans are

In freshwater algal bloom, pond animals may die because of

A zygote is

One of the products of photosynthesis is