Living Organisms
Energy, Environment, Reproduction, Growth, Wastes
What are the characteristics of living things?
Anton van Leeuwenhoek
Who is the father of microbiology?
Having one cell
What is Unicellular?
The first part of the digestive system
What is the mouth?
Systems are made of this
What are organs?
Groups of similar cells
What are tissues?
What's the difference between a compound light microscope and an electron microscope?
Electron microscopes use beams of electrons instead of light and can electron microscopes have a much greater magnification (present day electron microscopes can magnify up to 2,000,000x)
Organelle used for storage of waste materials in cells
What is a vacuole?
The system most responsible for producing waste materials
What is the Excretory system?
What are the different parts of cell organization?
Cells - tissues - organs - systems - levels of organization
Groups of tissues working together
What are organs?
The small metal pieces used to hold specimens on place when viewing through a microscope
What are stage clips?
How does an organism grow bigger using cells?
Organisms add more cells to their bodies rather than growing bigger cells. This occurs when cells divide.
The largest organ in the body
What is skin?
The system responsible for sending food and oxygen around the body
What is the circulatory system?
What is a cell?
What are two keys points of Cell Theory?
All living things are composed of one or more cells
Cells are the basic unit of structure and function in all organism
The tissue that transports sugars from the from the leaves to the rest of the plant
What is Phloem tissue?
Multicellular organisms can grow larger, they can live in a variety of environments, they can obtain their energy from a wise variety of foods
The respiratory brings in __________ and gets rid of __________?
Brings in oxygen and gets rid of carbon dioxide
Humans can only see objects larger than this
Plant cells have this, animal cells do not
What are chloroplasts and cell walls?
What is the difference between osmosis and diffusion?
Diffusion is the movement of any substance from a region of its higher concentration to a region of lower concentration whereas osmosis can only occur with liquids, most often water.
Why do arteries have much thicker muscles surrounding them?
It's so that they can carry blood under pressure away from the heart
What is known as the "silent killer"?
High blood pressure (hypertension) because they may not feel ill