Biology I Chapter 1 Section 1.1, 1.2, 1.3 – Flashcards

Unlock all answers in this set

Unlock answers
question
Biology
answer
is the study of all livings things
question
Botany
answer
the study of plants.
question
Zoology
answer
is the study of animals
question
Ecology
answer
is the study of the interactions between organisms.
question
6 themes of biology
answer
cell structure and function Strategies for maintaining homeostasis Reproduction and Heredity Evolution Interdependence of organisms Need for energy
question
organism
answer
is a living thing.
question
unicellular organism
answer
is a living thing composed of one cell.
question
multicelluar organism
answer
is a living thing composed of more than one cell.
question
Differentiation
answer
different cells, different organs, different systems.
question
homeostasis
answer
The regulation of an organism's internal environment to maintain conditions suitable for life
question
Reproduction
answer
is the production of offspring.
question
gene
answer
is a segment of DNA that is located in a chromosome and codes for a specific hereditary trait.
question
Evolution
answer
is the gradual change in the characteristics of species over time.
question
ecosystem
answer
is a community of organisms and their non-living environment.
question
Autotrophs
answer
are organisms that produce their own nutrients from inorganic substances or from the environment instead of consuming other organisms.
question
Heterotrophs
answer
are organisms that obtain organic food molecules by eating other organisms or their byproducts
question
cell
answer
is the smallest unit of life that possesses all of the characteristics of life.
question
development.
answer
The process by which an adult organism arises
question
Development
answer
produced by the repeated cell divisions and cell differentiation.
question
Reproduction
answer
the production of offspring
question
Species
answer
a group of similar looking organisms that can be interbreed and produce fertile offspring.
question
data
answer
all information collected
question
steps of scientific method
answer
-Step 1- Ask a Question -Step 2- Form a hypothesis -Step 3- Design and construct an experiment -Step 4- Analyze the results -Step 5- Draw a conclusion
question
what is Making observations
answer
using one or more of the five senses
question
Asking a question
answer
sampling and organizing data
question
Form a hypothesis
answer
explains observations and can be tested
question
controlled expeiriment
answer
is an experiment that tests only one factor at a time by comparing a control group with an experimental group.
question
variable
answer
is a factor that changes in a controlled experiment.
question
Independent variable
answer
manipulating variable= changing variable
question
Dependent variable
answer
responding variable
question
Theories
answer
are explanations for some phenomena based on observation, experimentation, and reasoning.
question
Laws
answer
are summaries of many experimental results and observations.
Get an explanation on any task
Get unstuck with the help of our AI assistant in seconds
New