Location Terms
This means the region of the body toward the head.
Cranial
This is the soft outer covering and largest organ of the animal body.
Skin
These are the two external openings of the nose.
Nares
These are the basic structural and functional units of the animal body.
Cells
This process increases the number of cells as an animal grows.
Mitosis
This means the belly or underside of the animal.
This thin outer layer of skin forms a barrier to water loss and produces keratin.
Epidermis
This is the external portion of the ear where an ear tag is attached.
Auricle
Put these in order from smallest to largest: organism, organs, cells, tissue, organ system.
Cells → Tissue → Organs → Organ System → Organism
How many nucleotides make up DNA?
4 types of nucleotides — adenine, cytosine, guanine, and thymine
This location term means the back of the body and is the opposite of ventral.
This middle skin layer regulates temperature and houses hair follicles, nerve endings, and pressure receptors.
Dermis
These long or stiff hairs on the face or nostrils are also called whiskers.
Vibrissae
This is a group of specialized cells working together.
Tissue
Mitosis results in two identical _____ cells.
Diploid daughter cells
This means the region farthest from a point of reference.
Distal
This innermost skin region attaches skin to muscle and bone.
Hypodermis / Subcutaneous layer
These permanent head projections on hoofed animals are used for defense, courtship, and fighting for dominance.
Horns
This is a group of tissues working together to perform the same function.
Organ
Name one type of specialized bone cell.
Osteoblast or Osteocyte
Anatomical terms of location are used because they do this to confusing or descriptive words
Eliminate them and make descriptions universal / make descriptions clear to everyone
This protein forms in the epidermis and helps make hair, wool, hooves, horns, and feathers.
Keratin
This flexible appendage contains coccygeal vertebrae and can show social signals or emotions.
Tail
This is a group of organs working together to provide a common function.
Organ System
Name the three categories of muscle tissue.
Skeletal, Smooth, and Cardiac Muscle