One group eats non-plants and are called consumers, the other eats plants.
What is the difference between a herbivore and carnivore?
Hans and Zaccharias Janssen invented the first one of these
What is a microscope?
A membrane that allows some molecules to pass through but does not allow other molecules to pass through
What is a semipermeable membrane?
The control center of the cell which contains the DNA
What is the nucleus?
a cell that has no distinct membrane bounded organelles
What is a prokaryotic cell?
A state in which members of a population die as quickly as new members are born
What is a steady state?
He observed protozoa in pond water by looking through a microscope and called them “animalcules”
Who was Van Leeuwenhoek?
Movement of molecules through plasma membrane aided by a process that requires energy input
What is active transport?
Gel like substance in which all of the organelles are found
What is cytoplasm?
Kingdom, phylum, class, order, family, genus, species
What is classification of living things?
Robert Hooke observed these types of cells through a primitive microscope
What are cork cells?
Random motion of molecules from area of high concentration to area of low concentration
What is diffusion?
This organelle is responsible for modifying and packaging proteins for transport
What is the golgi apparatus?
In 1859 this scientist used curved flasks to demonstrate that microorganisms cannot spontaneously generate
Who was Louis Pasteur?
Rudolf Virchow proposed in 1855 that all cells come from existing cells and completed this theory
What is the cell theory?
Diffusion of water through a semipermeable membrane from area of high water concentration to low water concentration
What is osmosis?
Membrane sac holds water, food or waste
What is the vacuole?
We attribute the discovery of the nucleus in plant cells to this man.
Who was Robert Brown?
Process of a membrane proteins helping molecules to pass through a membrane
What is facilitated diffusion?
Called the powerhouse of the cell, this organelle generates energy in form of ATP
What is mitochondria?