+
Related Flashcards
Related Topics
Cards In This Set
| Front | Back |
|
All the organisms on your campus make up
|
A community
|
|
What is is a correct sequence of levels in life's hierarchy, proceeding downward from an individual animal?
|
Nervous system, brain, nervous tissue, nerve cell
|
|
Darwin based his theory of natural selection on
|
- there is heritable variation among individuals-because of overproduction of offspring, there is competition for limited resources-individuals whose inherited characteristics best fit them to the environment will generally produce more offspring-a population çan become adapted to its environment over time
|
|
Systems biology is mainly an attempt to
|
Understand the behavior of entire biological systems
|
|
Protists and bacteria are grouped into different domains because
|
Protists have a membrane-bound nucleus, which bacterial cells lack
|
|
What demonstrates unity among all organisms
|
The structure and function of DNA
|
|
A controlled experiment is one that
|
Tests experimental and control groups in parallel
|
|
What best distinguishes hypotheses from theories in science
|
Hypotheses usually are relatively narrow in scope; theories have broad explanatory power
|
|
Example of qualitative daa
|
The fish swam in a zigzag motion
|
|
Examples of quantitative data
|
The temperature decreased from 20c to 15cthe plant's height is 25cm
|
|
What best describes the logic of scientific inquiry
|
If my hypothesis is correct, i can expect certain test results
|
|
In the term 'trace element' the adjective trace means that
|
The element is required in very small amounts
|
|
Compared with 31P, the radioactive isotope 32P has
|
One more neutron
|
|
The reactivity of an atom arises from
|
The existence of unpaired electrons in the valence shell
|
|
True of all anions
|
The atom has more electrons than protons
|
