Zoo u8 Arthropod vocab

Gizzard

• Thick-walled muscular pouch below the crop for grinding food.

• Small sac that stores bile produced by the liver.

• Organ responsible for the absorption of nutrients in the digestive system.

• Tube that connects the throat to the stomach.

Parthenogenesis

• Asexual reproduction in which females produce offspring from unfertilized eggs.

• A form of sexual reproduction involving two parents.

• A method of reproduction that requires fertilization by a male.

• A type of reproduction that occurs only in plants.

Nymph

• An immature stage of an insect that lacks a pupal stage during incomplete metamorphosis.

• A fully developed adult insect that has completed metamorphosis.

• A larval stage of an insect that undergoes complete metamorphosis.

• A stage in the life cycle of an insect that is characterized by a cocoon.

Spiracle

• A type of respiratory organ in mammals

• A small external opening in insects for air intake

• A structure for water absorption in plants

• A part of the insect's digestive system

Pheromones

• Chemical signals released by an animal that communicate information and affect the behavior of other animals of the same species.

• Visual signals used by animals to attract mates.

• Sounds produced by animals to establish territory.

• Physical gestures used in animal communication.

Thorax

• The first body region in insects, where the eyes are located.

• The second body region in insects, between the head and abdomen; the region where the legs and wings are attached.

• The third body region in insects, primarily responsible for digestion.

• The outer protective covering of insects, known as the exoskeleton.

Tracheae

• Tiny tubes in insect body that deliver oxygen directly to metabolizing tissues.

• Large air sacs used for gas exchange in mammals.

• Blood vessels that transport oxygen in vertebrates.

• Respiratory organs found in aquatic animals.

Telson

• The last segment of the abdomen in many arthropods. May be flat and paddle-like, button-like, or long and spiny.

• A type of antenna found in crustaceans.

• A specialized organ for respiration in insects.

• The outer shell of a mollusk.

Metamerism

• Segmented arrangement of body parts.

• Random arrangement of body parts.

• A type of body symmetry.

• A method of locomotion.

Crypsis

• A type of camouflage that makes prey difficult to see.

• A method of attracting predators to prey.

• A technique for enhancing visibility in the wild.

• A form of communication among animals.