Life Science

Front

In order for pea plants to be short, two factors must be present. What types of factors are these?

Back

recessive

Front

Scientists discovered three things when they observed cells through a microscope. Which of the following did they NOT observe? Options: All living things are made of cells, All cells share some characteristics, Different kinds of cells do different jobs, Plant cells and animal cells have the same structure

Back

Plant cells and animal cells have the same structure

Front

What kind of microorganism turns milk into yogurt? Options: yeast, algae, bacteria, phytoplankton

Back

bacteria

Front

Which of the following is found in plant cells but not in animal cells? chromosomes, mitochondria, vacuoles, chloroplasts

Back

chloroplasts

Front

The organelle that directs all of the cell's activities is the 

Back

nucleus

Front

How are an amoeba and a human being alike? Options: Both are made from many cells, Both are single cells, Both are made of a cell or cells with a nucleus, Both are made of a cell or cells with a chloroplast

Back

Both are made of a cell or cells with a nucleus

Front

What kind of microorganism makes penicillin? Options: bacteria, protist, mold, algae

Back

mold

Front

Which statement is NOT true? Microorganisms help dead things decay., Microorganisms have only one cell., Microorganisms cause disease., Microorganisms are used to make cheese.

Back

Microorganisms have only one cell.

Front

Which is the correct arrangement of structures from the simplest to the most complex? Options: cell, organ, organ system, tissue, cell, tissue, organ, organ system, organ system, tissue, organ, cell, cell, tissue, organ system, organ

Back

cell, tissue, organ, organ system

Front

Which type of microorganism rots wood, spoils food, and causes skin diseases such as ringworm and athletes foot?

Back

fungi