The thin covering of the cell that holds its parts together is the ________ _____________.
cell membrane
100
Cells that work together to perform a specific function are called __________.
tissue
100
True or False: All microorganisms are harmful.
False
100
___________ is a helpful microorganism that helps bread rise in the oven.
yeast
200
The jelly-like substance found in the cell that keeps the cell functioning is the __________.
cytoplasm
200
The sturdy part of a plant cell that supports and protects the cell is the ______ _______.
cell wall
200
Tissue that work together to perform a specific function are called _________.
organs
200
Microorganisms can only be seen under a ___________.
microscope
200
What is the best way to control the spread of harmful microbes?
Wash your hands with soap and water, keep food preparation areas clean.
300
The _________ of a cell controls all of the cell's activities.
nucleus
300
___________ make food for the plant cell through the process of photosynthesis.
chloroplasts
300
Organs that work together to perform a specific function are called ________ ________.
organ systems
300
What are three helpful uses of certain bacteria?
used to make medicines
help people digest food in their digestive systems
used to make cerain foods like yogurts, and cheeses
300
Shaped like rods, spirals, or balls, there are more of this microbe on Earth than all other living things together.
bacteria
400
The ____________ stores food, water or waste for the cell. This organelle is larger in plant cells than in animal cells.
Vacuole
400
These two structures differentiate plant and animal cells, as they are NOT found in animal cells.
cell wall and chloroplasts
400
What are the four kinds of tissues that make up the human body?
epithelial, muscle, nerve and connective
400
The medicine penicillin is made from what kind of microorganism?
mold
400
Name two ways microbes can be harmful to larger organisms?
rot food
cause sickness, disease and infection (pathogenic)
500
The _________ are found in the nucleus of the cell and contain DNA for each cell.
Chromosomes
500
The English scientist who observed a thin layer of cork through a microscope and named the tiny structures he saw "cells".
Robert Hooke
500
Each cell, whether one of trillions in a multicellular organisms like ________ or a single celled organism like _________ is able to carry out its own ____ ________.
human, bacteria, life functions
500
______________ such as the plant like protist algae, produce most of the oygen in the air we breathe.
phytoplankton
500
Yeasts and molds are ________ that look like little plants, but can't make their own food. They are ____________, breaking down decaying plants and animals in the environment.