Exam 1 Flashcards
Ch. 1, 2, & 3
The smallest unit of life that can survive and reproduce on its own is:
The cell
Producers obtain energy from:
The sun
ability of organism to contain a constant internal environment is called
homeostasis
Which domains are made of organisms w/o nuclei?
Archea and Bacteria
eukaryotes that range from single cells like amoeba to multicells seaweeds are members of the kingdom:
Protista
A scientific name consists of the following:
Genus and specific epithet
Science only addresses that which is:
Observable
A testable explanation for a natural phenomenon is an:
Hypothesis
Experimental result that is statistical significant is:
unlikely to occur by chance alone
Fundamental building blocks of all matter
Atoms
Negative subatomic particles is:
Electron
Isotopes of the same element differ in the number of:
neutrons
In the shell model, how many electrons can the second shell hold?
8
What is form when an atom loses or gains an electron?
an Ion
What type of bond is formed when atoms share a pair of electrons?
covalent