Unit 1
______ and _______ communicate information visually. They can show patterns, help scientists identify correlations, and get the point of the experiment across quickly.
What are the benefits of using graphs in science?
In biology, this is the smallest unit that can live on its own.
What is a cell?
The basic unit of heredity that occupies a specific location on a chromosome. Each consists of nucleotides arranged in a linear manner.
What is a gene?
This is what some people call the : History of Life:
What is the fossil record?
This ______ happens when something an animal does usually in response (to some type of external stimulus) to survive.
What is a behavioral adaptation?
A histogram represents the frequency distribution of continuous variables. Conversely, a bar graph is a diagrammatic comparison of discrete variables.
What are the differences between a bar graph and a histogram?
The _____ controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information.
What is the function of the nucleus?
______ are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body's tissues and organs.
What is a protein?
This happens because over time because the layers of earth stack up on top of each other causing?
What is the age of a fossil?
______ are special body parts that help a plant or animal survive in an environment
What are physical adaptations?
A ______ is a carefully thought-out explanation for observations of the natural world that has been constructed using the scientific method, and which brings together many facts and hypotheses.
What is a theory in science?
The ______ is the gel-like fluid inside the cell. It is the medium for chemical reactions.
What is the role of the cytoplasm?
This is any group of compounds that are intensely coloured and are used to colour other materials.
What is a pigment?
This event happens when species vanish much faster than they are replaced.
What is a mass extinction?
_______ is an association between two organisms in which one benefits and the other derives neither benefit nor harm.
What is commensalism?