Vocabulary
This is the smallest chemical unit of matter.
What is an atom?
There are this number of criteria for life.
What is four?
DNA has this type of structure thanks to the long ribbons formed by the backbone.
What is a double helix?
There are 3 basic kinds of cells: animal cells, cells from bacteria, and these.
What are plant cells?
Plants often use photosynthesis to make this chemical for their food.
What is glucose?
when two or more atoms link together you'll have this substance with unique properties.
What is a molecule?
All life forms contain this molecule, which is commonly referred to as DNA.
What is deoxyribonucleic acid?
DNA provides this, turning lifeless chemicals into a living organism.
What is information?
This organelle stores most of the DNA.
What is the nucleus?
When plants need to store food, it is often stored as this.
What is starch?
Green plants use this process to convert energy and matter from outside sources to sustain life functions.
What is photosynthesis?
All life forms have a method by which they extract this from their surroundings and convert it into the same that sustains them.
What is energy?
Adenine, thymine, guanine, and cytosine, are collectively referred to as these.
What are nucleotide bases?
This outer covering surrounds the cell.
What is the membrane?
Metabolism requires food and this.
What is oxygen?
These special structures allow living organisms to sense the conditions of their environment.
What are receptors?
All life forms can this and this to changes in their surroundings.
What are sense and respond?
You can successfully determine the other half of a DNA strand by knowing that Cytosine will only link with this nucleotide base.
What is guanine?
Organelles , such as ribosomes, mitochondria, and golgi bodies are suspended within this jelly-like substance that fills the cell.
What is the cytoplasm?
A mother rabbit can have as many as 6 litters in a year. This is necessary to maintain the rabbit population since this happens to many rabbit offspring.
What is death?
This term, being the opposite of altricial, is used to describe an offspring born with the abilities to hear, see, move about, regulate body temperature, and eliminate waste on their own.
What is precocial?
All life forms do this, ensuring that their kind will continue.
What is reproduce?
You can successfully determine the other half of a DNA strand by knowing that adenine will only link with this nucleotide base.
What is thymine?
In order to be considered a living organism, a life form requires at least this many cells.
What is one?
If an organism does not reproduce faster than it's kind is dying off this will occur to that organism.
What is extinction?