UNIT 1 - Living Systems 🧬

Feedback

Response to changes in a system's environment.

Model

Representation of biological processes or systems.

Ecosystem

Community of organisms interacting with their environment.

Organism

Individual living entity capable of growth and reproduction.

Biotic Factor

Living components affecting ecosystem dynamics.

Abiotic Factor

Non-living components influencing ecosystem conditions.

Homeostasis

Maintenance of stable internal conditions in organisms.

Organ System

Group of organs working together for a function.

Organ

Structure composed of tissues performing specific functions.

Tissue

Group of similar cells performing a common function.

Cell

Basic structural and functional unit of life.

Cell Differentiation

Process by which cells become specialized.

Cell Membrane

Barrier regulating entry and exit of substances.

Nucleus

Cell organelle containing genetic material.

Mitochondria

Organelles responsible for energy production in cells.

Chloroplast

Organelles in plants for photosynthesis.

Stimulus

Change in environment triggering a response.

Hormones

Chemical messengers regulating physiological processes.

Feedback Loop

Cycle of responses influencing system behavior.

Negative Feedback Loop

Response reduces the effect of initial stimulus.

Positive Feedback Loop

Response amplifies the effect of initial stimulus.

System

A group of parts that work together as a whole