Cell Theory
This scientist first disproved spontaneous generation?
Who was Louis Pasteur?
This level comes right after cells in terms of complexity.
What are tissues?
These nonliving, infectious agents must invade a host cell to replicate by hijacking its cellular machinery.
What are viruses?
This is another name for a one-celled organism.
What is "unicellular?"
Animal cells are in this category because they must consume nutrients from other things.
What are heterotrophs?
These are the fundamental building blocks of all organisms and are responsible for carrying out the essential functions of life.
What are cells?
This is the simplest level of organization?
What are cells?
These are the four basic needs of living organisms.
What are: Food, Water, Air, Shelter?
This cell type can survive alone.
What is a unicellular organism?
Ex. bacteria, protists (like amoeba), archaea, some fungi (like yeast)
The process used by plants to make food.
What is photosynthesis?
This English scientist was the first to use the term “cells” in 1665.
Who was Robert Hooke?
This level includes the heart and stomach.
What are organs?
Three way to tell if something is alive.
What are:
1 - growth and development
2 - reproduction and
3 - response to the environment?
Bacteria are categorized as this type of organism.
What are prokaryotes?
(Single celled organisms that lack a membrane-bound nucleus and other organelles.)
Cows and grass both need this to survive.
What is water?
Before microscopes, scientists thought new life came from this process.
What is spontaneous generation?
As with all animal cells, both gill and tail cells of a goldfish share these three common eukaryotic components.
What are a cell membrane, cytoplasm, and a nucleus?
One of these cell types can survive on its own—yeast, muscle, or leaf.
What is yeast?
Plant and animal cells can be differentiated from bacteria under the microscope by these structures.
What are organelles?
Goldfish and plants share this similarity.
What is a multicellular or eukaryotic organism?
This part of the cell theory says "new cells come from existing cells."
What is "Omnis cellula e cellula" (all cells come from cells)?
This principle was added to classical cell theory by Rudolf Virchow in 1858.
Individual cells on your tongue and individual cells inside your foot are similar in this way.
What is the ability to both produce new cells?
also.. eukaryotic
These organisms are made of many cells that work together to perform all life processes.
What is a multicellular organism?
What is an autotroph?
A child and an apple tree are both in this domain of biology.
What is Eukarya?