Ch1. Flashcards
What is the smallest structural and functional unit?
Cell
What is the term describe all of chemical reactions that occur within a cell?
Metabolism
What is the term to describe plants, algae, and some bacteria using the energy of the sun convert to chemical energy?
Photosynthesis
What is the characteristics of living organisms?
High level of Organization Acquire materials and energy from the environment Reproduce and growth Have evolutionary hx Maintain homeostasis Respond to stimuli
What is the scientific theory about cell
All organisms are composed of cell, and new cells only come from pre-existing cells.
What is the term that is preferred for theory generally accepted as valid by an overwhelming number of scientists?
Principle
What refers to the total number oh a different species present in given area?
Biodiversity
Most organism in kingdom Animalia is —-
Invertebrates
The unifying biological concept that all organisms have a common ancestor is called —
Evolution
Variations in the DNA of living organisms are referred as —
Mutation
What is called the zone of air, land, and water at the Earth’s surface in which living organisms are found?
Biosphere
The factor being tested during an experiment is the —-
Experimental variable
While determining which antibiotics are best to treat ulcer caused by Helicobacter pylori, the drugs used in the experiment are called the—
Experimental variable
When an organism passes genetic information to a new generation this is called—
Reproduction
In a graph, the result is typically plotted in – axis and experimental variable is – axis
Y X