Biology: Classifying Biological Organization Levels

Biology

the study of life, includes anatomy, physiology, and the development of living organisms

Biosphere

all living things on Earth and the ecosystems they depend on

Emergent properties

new properties appear at each level of biological hierarchy due to increasing complexity

Qualitative data

data that describes observations or characteristics using descriptive, non-numerical info

Quantitative data

observations that are made or measured using numbers, numerical data

Epithelial tissue

covers the skin and lines body parts like the stomach and bladder, visible in biopsies

Connective tissue

supports the body, includes blood, bone, cartilage, and fat, important in orthopedic cases

Muscle tissue

helps animals move and includes muscles for walking, heart muscle for pumping blood, and smooth muscles inside organs

Nervous tissue

controls the body and sends signals, found in the brain, spinal cord, nerves, and sense organs (whiskers and skin)

Why are atoms and molecules important in vet med?

medications are built from them, make up nutrients in therapeutic diets (amino acids, fatty acids), chemical signals like electrolytes, hormones, enzymes, and other biomarkers

Why are cells important in vet med?

smallest living units you evaluate, treat, and interpret through lab testing and clinical procedures

Red blood cells

carry oxygen to tissues

White blood cells

fight infections

How are skin cells examined?

through cytology procedures

Cytology

study of individual cells

How are bacterial and fungal cells identified?

culture samples

What is the importance of tissues?

they show how groups of similar cells work together to support structure, protection, and function

When is the heart usually monitored?

during anesthesia and wellness exams

How are the kidneys evaluated?

through urinalysis and blood chemistry

How is the cardiovascular system monitored?

by checking blood pressure and pulse

How is the musculoskeletal system checked?

through lameness exams

What is an example of an emergent property?

individual red blood cells working together to deliver oxygen

What does this scenario represent, and why: Cellular dehydration leading to organ dysfunction and whole body illness

emergent properties because it shows parts of a system relying on each other and working together, even though the characteristics aren’t present in the individual parts alone