Word library

The variety of different plant and animal species living in a particular place.

The scientific study of how plants and animals are distributed across the world and why they live where they do.

A written account of someone's life, usually written by another person.

The scientific study of living things.

Light produced naturally by a living organism, such as certain fish, insects, or fungi.

The total mass of living organisms in a given area, or organic material used as a fuel source.

A large natural region of the earth defined by its climate, plants, and animals, such as a desert or a rainforest.

A medical procedure that removes a small piece of tissue for testing.

The parts of the earth's surface, atmosphere, and oceans where living things can exist.

The use of living organisms or biological processes to develop products and technologies.

Relating to the living parts of an environment, such as plants and animals.

A living part of an ecosystem, such as predators, competitors or disease, that affects the organisms around it.

Supported by or involving two political parties working together.

Having two distinct, often opposite, poles or extremes, or relating to a mental health condition marked by swings between extreme moods.

A tree with thin, pale, often peeling bark, common in cooler climates.

A feathered animal that usually has wings and can often fly.

The anniversary of the day a person was born.

The number of births per a fixed number of people in a population over a given time.

A right, privilege, or possession that a person has simply because of the circumstances of their birth.

A small, flat baked snack, usually crisp and often sweet.

A large, shaggy wild animal related to cattle, found in North America and parts of Europe.

To use your teeth to cut into something.

Having a sharp, strong taste that is not sweet, often like black coffee or dark chocolate.

Containing or resembling bitumen, a thick, sticky black substance found in coal and tar.

Having the darkest possible color, like the sky at night with no light.

A small, dark purple berry that grows on a thorny bush.

A dark board that teachers write on with chalk.

A person who makes and repairs iron objects by heating and hammering the metal.

The flat, sharp cutting part of a knife or tool, or a single leaf of grass.

To hold someone responsible for something bad that has happened.

A large piece of soft fabric used to keep warm, usually on a bed.

A large, fierce fire, or a sudden burst of bright light or color.

To make the cry typical of a sheep or goat.

To lose blood, especially from a cut or wound.

To mix things together so they combine smoothly.

A kitchen appliance with spinning blades, used to mix or crush food and drinks into a smooth liquid.

Something that causes damage or spoils an area, or a plant disease that causes widespread harm.

Badly damaged or spoiled, especially describing an area affected by poverty, disease, or neglect.

To close and open your eyes very quickly.

A small, painful bubble of skin filled with fluid, usually caused by rubbing or burning.

A severe snowstorm with strong winds and very low visibility.

A group of countries, parties, or people who act together because they share common interests or goals.

A solid piece of material, usually with flat sides, or a section of a street between two junctions.

The act of surrounding an area to stop people or supplies from entering or leaving.

The red liquid that flows through the body, carrying oxygen to every part of it.

A classification of blood based on the presence or absence of certain markers on red blood cells.

The force with which blood pushes against the walls of blood vessels as the heart pumps it around the body.

To produce flowers, or to reach a state of health, beauty, or success.