Meaning: relating to the Earth or land

Part of speech: adjective

Example: Terrestrial animals live on land.

Category: Biology › Ecology

Synonyms:

• earthly
• land-based

Antonyms:

• aquatic
• marine

Meaning: A group of cells in an organism.

Part of speech: noun

Example: Muscle tissue helps in movement.

Category: Biology › Anatomy

Synonyms: cellular material

Meaning: A piece of excrement.

Part of speech: noun

Example: The dog left a turd on the lawn.

Category: Biology

Synonyms:

• feces
• stool

Meaning: To discharge urine from the body.

Part of speech: verb

Example: You should urinate when you feel the urge.

Category: Biology › Physiology

Synonyms:

• pee
• pass water

Meaning: A liquid waste product produced by the kidneys.

Part of speech: noun

Example: Urine is typically yellow in color.

Category: Biology › Physiology

Synonyms:

• pee
• liquid waste

Meaning: Relating to bears.

Part of speech: adjective

Example: The ursine characteristics of the animal were evident.

Category: Biology › Zoology

Synonyms: bear-like

Meaning: a toxic substance produced by some animals

Part of speech: noun

Example: The snake's venom can be deadly.

Category: Biology › Toxins

Synonyms:

• toxin
• poison

Meaning: capable of injecting venom

Part of speech: adjective

Example: The venomous snake is dangerous to humans.

Category: Biology › Toxins

Synonyms:

• poisonous
• toxic

Meaning: relating to the underside or belly

Part of speech: adjective

Example: The ventral side of the fish is lighter.

Category: Biology › Anatomy

Synonyms:

• belly
• abdominal

Meaning: A small fluid-filled sac within the body.

Part of speech: noun

Example: The vesicle transports nutrients within the cell.

Category: Biology › Cell Biology

Synonyms:

• sac
• blister

Meaning: Relating to a body part that has lost its original function.

Part of speech: adjective

Example: The human appendix is considered vestigial.

Category: Biology › Anatomy

Synonyms:

• rudimentary
• unused

Meaning: A small, finger-like projection in the intestine that absorbs nutrients.

Part of speech: noun

Example: Villi in the small intestine help with nutrient absorption.

Category: Biology › Anatomy

Synonyms: projection