Biology; Chapter one questions
The generalized scientific method in order from first at the top to last at the bottom
1) Observe and as questions about something in the natural world. 2) Create a hypothesis to explain your observations and make predictions 3) Carry out experiments to test the hypothesis and collect data 4) Analyze your data and draw conclusions
biological levels of organization from smallest to largest.
1) atom 2) molecule 3) organelle 4) cell 5) tissue 6) organ 7) organ system 8) organism 9) population 10) community 11) ecosystem 12 biome 13) biosphere
Match correct terms. 1) primary producers 2) Consumers 3) Decomposer
1) autotrophs that obtains energy and nutrients from nonliving sources. 2) Heterotroph that obtains energy and nutrients by eating other organisms. 3) Heterotroph that obtain energy and nutrients from wastes and dead organisms.
Evolution is:
A change in the genetic makeup of a population over time.
What is deoxyribose acid (DNA)?
A molecule that encodes genetic instructions.
organisms seem so well suited to their environments because they have inherited characteristic or behaviors, called ________, that enables them to survive and successfully reproduce.
Adaptations
In ________ reproduction genetic information comes from only one parent; whereas, in _______ reproduction, genetic information from two parents unites to form an offspring.
Asexual Sexual
A living thing, or organisms, exhibit certain properties of life and is composed of one or more ______, the basic units of life.
Cells
What is the term for all the populations of different species that occupy the same location at the same time?
Community
The cell's genetic instruction's are encoded in a molecule called _________, and these instructions are used to produce proteins and allow the cell to carry out specialized functions.
Deoxyribonucleic acid (DNA)
What biological level includes the living and nonliving components of a particular area?
Ecosystem
All living things are composed of one or more cells, use _____ to grow or reproduce, and maintain of state of internal constancy.
Energy.
What describes the state of internal constancy maintained by an organism?
Homeostasis
Qualities of the scientific hypothesis
It can lead to specific predictions It must be testable
What is a structure consisting of tissues organized to interact and carry out specifics functions?
Organ
___________ are membrane-bounded compartments within eukaryotic cells that carry out specialized functions; one example is a chloroplast.
Organelles
____________ are membrane-bound compartments within eukaryotic cells that carry out specialized functions; one example is a chloroplast.
Organelles
Consider species of frogs that live in many ponds throughout central California. A group of frogs in one of the ponds, NOT including the other species of organisms living there, is an example of a(n)
Population
Natural _________ is a mechanism of evolution in which certain individuals from a population exhibit enhanced reproductive success based on inherited characteristics.
Selection
What statement describes a cell?
The smallest unit that can be called life.
Characteristic of scientific theories
Widely accepted and supported falsifiable Testable Explains many Observations
Particles that make up molecules are called?
atoms
Atoms can bond together to form
molecules