Browse Lemmas

Lemmas found: 7607

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gland

An organ or group of cells in an animal that produces and releases substances such as hormones, sweat, saliva, or digestive fluids.

Noun body_part Level 1010
hagfish

An eel-like marine animal that produces copious slime when threatened and is considered a primitive jawless fish.

Noun animal Level 1010
hare

A fast-running, long-eared mammal related to the rabbit, typically living in open country and giving birth to young that are born with fur and open ey...

Noun animal Level 1010
herbaceous

Having the characteristics of a herb; nonwoody, with a soft stem that usually dies back after the growing season.

Adjective biological_type Level 1010
herbivorous

Feeding mainly or exclusively on plants.

Adjective biological_type Level 1010
homology

A similarity in structure, position, or origin between biological organisms or parts, resulting from evolution from a common ancestor.

Noun knowledge_domain Level 1010
horned

Having one or more horns, or having hornlike projections.

Adjective physical_property Level 1010
hybridization

The process of combining two different species, varieties, breeds, or genetic lines to produce hybrids.

Noun process_event Level 1010
incubation

The process of keeping eggs warm until they hatch, usually by a bird or other animal.

Noun process_event Level 1010
kite

A bird of prey with long, pointed wings and a forked tail, often seen soaring while searching for food.

Noun animal Level 1010
larval

Relating to, resembling, or characteristic of a larva or the larval stage of an animal.

Adjective biological_type Level 1010
lavender

A fragrant plant with narrow gray-green leaves and spikes of small purple flowers, often grown for its scent and used in perfumes and medicines.

Noun plant Level 1010
ligament

A strong band of fibrous connective tissue that connects bones at a joint and helps hold them together.

Noun body_part Level 1010
lining

A layer of material covering the inside surface of something, especially clothing, a container, or a hollow structure.

Noun building_part Level 1010
locomotion

Movement or the ability to move from one place to another, especially by an organism or vehicle.

Noun process_event Level 1010
lungfish

Any of several freshwater fish that can breathe air with one or two lung-like organs, allowing them to survive periods when their habitat dries out.

Noun animal Level 1010
mammal

An animal of the class Mammalia, characterized generally by having hair or fur, warm blood, and females that produce milk to feed their young.

Noun animal Level 1010
mate

A friend or companion; informally, a person one knows and likes.

Noun human Level 1010
meristem

A region of plant tissue containing actively dividing, undifferentiated cells that produce new growth, such as at the tips of roots and shoots or in l...

Noun plant_part Level 1010
monophyletic

Derived from a single common ancestral group and including all of its descendants; describing a taxonomic group that forms a complete clade.

Adjective biological_type Level 1010
moose

A large deer with broad, flattened antlers, native to northern forests of North America, Europe, and Asia.

Noun animal Level 1010
mulberry

A tree of the genus Morus, grown for its edible fruit and, traditionally, for leaves eaten by silkworms.

Noun plant Level 1010
nectar

A sweet liquid produced by flowers, usually to attract pollinating insects and other animals.

Noun food Level 1010
nesting

The arrangement of one thing inside another, or of items within successive containers or structures, especially in computing or design.

Noun process_event Level 1010
nutritional

Relating to nutrition, especially the nourishment and health effects provided by food.

Adjective biological_type Level 1010
orbital

Relating to or located in the eye socket.

Adjective location Level 1010
ovary

The female reproductive organ of a flowering plant, containing one or more ovules and developing into a fruit after fertilization.

Noun plant_part Level 1010
ovary

A female reproductive organ in animals, including humans, that produces eggs and, in many animals, reproductive hormones.

Noun body_part Level 1010
paraphyletic

Relating to a taxonomic group that includes a common ancestor and some, but not all, of its descendants.

Adjective biological_type Level 1010
parasite

An organism that lives on or in another organism and obtains nourishment or other benefits from it, usually harming the host.

Noun animal Level 1010
parasitic

Living in or on another organism and obtaining food or other benefits from it, usually while harming the host.

Adjective biological_type Level 1010
pecan

A North American tree of the walnut family that produces edible nuts with smooth, thin shells.

Noun plant Level 1010
pelvic

Relating to, located in, or affecting the pelvis or the area of the body between the abdomen and the legs.

Adjective location Level 1010
pelvic

Relating specifically to the bony pelvis or its anatomical structures, especially in medical or anatomical terminology.

Adjective biological_type Level 1010
pelvis

The large bony structure at the base of the spine, formed by the hip bones, sacrum, and coccyx, which supports the trunk and connects it to the legs.

Noun body_part Level 1010
penis

The male reproductive organ used for urination and, in many animals, for sexual reproduction.

Noun body_part Level 1010
perennial

Of a plant, living for more than two years and typically flowering repeatedly.

Adjective biological_type Level 1010
pest

An insect, animal, or plant that harms crops, livestock, property, or human health.

Noun animal Level 1010
phloem

The vascular tissue in plants that transports sugars and other organic nutrients from the leaves to other parts of the plant.

Noun plant_part Level 1010
phylogenetic

Relating to the evolutionary history and relationships of organisms or other biological groups.

Adjective biological_type Level 1010
phylogeny

The evolutionary history and relationships of a species, group of organisms, or other biological lineage.

Noun knowledge_domain Level 1010
placenta

An organ that develops in the uterus during pregnancy and connects the fetus to the mother, supplying nutrients and oxygen and removing waste.

Noun body_part Level 1010
placental

Relating to, belonging to, or involving the placenta.

Adjective biological_type Level 1010
platypus

A semiaquatic Australian mammal with a broad bill, webbed feet, dense fur, and a beaver-like tail; one of the few mammals that lays eggs.

Noun animal Level 1010
plumage

The feathers covering a bird’s body, especially considered as a whole or in terms of their color and pattern.

Noun animal Level 1010
predation

The act or practice of hunting, killing, and eating other animals for food.

Noun activity Level 1010
raven

A large black bird of the crow family, known for its intelligence and harsh call.

Noun animal Level 1010
raw

Not cooked, heated, or otherwise prepared for eating.

Adjective condition Level 1010
skeletal

Relating to, forming, or resembling a skeleton or the bones that support a body.

Adjective biological_type Level 1010
spawning

The release of eggs by a female fish, amphibian, or other aquatic animal, usually for fertilization; the production of offspring by such animals.

Noun process_event Level 1010