Section 2: Structures and Functions in Living Organisms Flashcards
What is an organelle?
A functional structure within a cell
What is an organ?
Collection of tissues that perform a specific function within an organism
What is a cell?
The structural unit of an organism that may exist as independent life
What is a system?
Collection of organs that perform a specific function within an organism
What is a tissue?
Collection of connected cells that perform a similar function within an organism
What is a nucleus?
Control centre of the cell, contains genetic information
What is the cell wall?
Support and protection of the plant cell
What is the cytoplasm?
Liquid gel in which most of the chemical reactions take place
What is the chloroplast?
Organelle that uses energy to make food by photosynthesis
What is the cell membrane?
Selectively permeable membrane that controls of movement of materials in and out of the cell
What is the (permanent) vacuole?
Stores food, water and waste in plants
What are the differences between pants and animals on a cellular level?
Plants have a cell wall, permanent vacuole and chloroplasts. Animals have lysosomes and plants don’t.