Chapter 1 Bio 114
atom
Basic unit of matter
Which of the following process makes adaptation possible?
Natural selection
biosphere
all the earth's ecosystems
organs
brain or leaf
responding variable
dependent variable
The capacity to do work is also called _______
energy
A possible explanation for a natural event that has yet to be tested scientifically is referred to as a ________
hypothesis
After a scientist makes an observation, a statement will be formed in order to test and explain the observation. The statement is a(n) ______
hypothesis
If an organism consists of more than one cell it is called a(n) ________ organism.
multicellular
tissue
nerve and muscle tissue of animals
Steps of the scientific method (7)
1) Observe 2)Hypothesis 3)Predict 4)Experiment 5) Analyze data 6) Return to hypotheses and/or modify experiment and/or reject or confirm predictions 7)Conclude
Which of the following are found in prokaryotes?
A cell wall and a plasma membrane
organ systems
A group of organs that work together in performing vital body functions.
What does it mean to be a living thing? (6 things)
Ability to reproduce and develop Ability to metabolize (acquire ,materials, and energy) Adaption Composed of cells (at least 1) Have to be able to maintain your own state of existence (homeostasis) Ability to respond (behavior)
What is a population?
All the members of a species in a particular area
Dear king Philip Came Over For Great Soup
Domain, Kingdom, phylum, class, order, family, genus, species
A single-celled organism beating its tail to move toward or away from light is an example of which characteristic of life?
Living organisms respond
population
all the members if one species in a particular area
The different ecosystems in which species live, their total number and relative abundance, and the variability of their genes all combine to define _______ of our planet
biodiversity
Climate change refers to changes in the normal cycles of Earth's climate, specifically the chemical cycling of _______
carbon
molecules
combination of atoms
ecosystem
community of populations interacts with physical environments
multicellular
contain more than one cell
The results of scientific experiments, which can be analyzed and presented in tables and graphs, are called the _________
data
An evolutionary adaptation is a modification that makes an organism better suited to its _______
environment
species
group of similar organisms that are capable of interbreeding
An organism must maintain a tolerable internal environment including factors such as temperature and acidity in order to preserve a biological balance called _________
homeostasis
Experimental variable
independent variable
community
populations of various animals/plants in an area
The characteristic of life that results in the production of the next generation is the ability to _______
reproduce
Scientists use tools such as microscopes, binoculars, or telescopes to study organisms during _______
scientific observations
An independent organism made up of one cell is called a(n) ________
single-celled organism.
cell
smallest most basic unit of life formed by larger molecules
Unlike the other three kingdoms within domain Eukarya, evidence indicates that protists do not share the same evolutionary lineage. Six new taxa called _________ have been developed to explain evolutionary relationships among protists.
supergroups
organism
when organs are joined together
