Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
28 Cards in this Set
- Front
- Back
|
Biology is the study of? |
life |
|
|
All organisms possess DNA. DNA |
contains information for growth and development |
|
|
Instructions for traits that are passed from parents to offspring are known as |
genes |
|
|
Homeostasis means |
keeping things the same |
|
|
Ecology |
is the study of communities or organisms in relation to their environment |
|
|
Not necessarily a characteristic of living things |
complexity |
|
|
The smallest units that can carry on all the functions of life are called |
cells |
|
|
Living things |
need energy for life processes, have the ability to reproduce, are composed of cells |
|
|
All organisms are composed of |
cells |
|
|
All living things maintain a balance within their cells and the environment through the process of |
cellular organization |
|
|
A scientsist noticed that in acidic pond water some salamanders developed with curved spines. This was a…? |
observation |
|
|
Incorrect example of scientific methodology |
inference making-idenificatio of the Ebola virus as the cause of a disease by taking electron micrographs of substances ground in the blood of persons affected with the disease |
|
|
The English physician Ronal Ross wanted to try to find the cause of malaria. Based on his observations, Dr. Ross suggested that the Anophelese mosquito might spread malaria from person to person. This suggestion was a |
hypothesis |
|
|
The English physician Ronald Ross knew that the parasite Plasmodium was always found in the blood of malaria patients. He thought that if the Anopheles mosquitoes were responsible for spreading malaria, then Plasmodium would be found in the mosquitoes. This idea was a |
prediction |
|
|
Scientific hypotheses are most often tested by the process of |
experimenting |
|
|
A hypothesis is |
a testable possibile explanation of an observation |
|
|
A unifying explanation for a broad range of observations is |
theory |
|
|
A hypothesis that does not explain an observation |
is rejected |
|
|
Scientists usually design experiments |
with a good idea of the expected experimental results |
|
|
A scientific theory |
may be revised as new evidence is presented |
|
|
Observation: Hypothesis:: |
Hypothesis: experiment |
|
|
Which of the following components of a scientific investigation would benefit from communication between scientists? |
Observing, measuring, and analyzing data |
|
|
A light microscope that has an objective lens of 10X and an ocular lens of 20X has a magnification of |
200X |
|
|
To function properly all living things must maintain a constant internal environment through the process of |
Homeostasis |
|
|
A unifying explanation for a broad range of observations is a |
theory |
|
|
The base unit for length in the Systeme International d'Unités is the |
meters |
|
|
A_______ electron microscope passes a beam of electrons over a specimen's surface, whereas______ electron microscope passes a beam of electrons through a thin slice of a specimen. |
scanning; transmission |
|
|
326 hectoliters= |
3,260,000 centiliters |
