Exam 1
Chlorine has atomic number 17 and mass number 35. It has ___ electrons, and _____ neutrons
17 Electrons, 18 Nuetrons
A mad scientist has ripped apart and atom and collected all the subatomic particles located in the nucleus of the atom. Which of the following has he collected?
Protons and Neutrons
The total number of protons and neutrons in a atom can best be determined from which of the following?
The atomic Mass
chemical, cells, tissue, organ, organ system, organism
The correct answer in terms of level of organization c ant c all t eam o ver o n s unday o kay
isotopes of an element have the same _______, but differ in the number of _________ a) atomic number, atomic mass b) number of neutrons, number of protons c) name; chemical symbol d) atomic mass; atomic numbers
Atomic number, Atomic mass
Which of the following statements is true? A) Cells arise spontaneously from nonliving chemical elements B) complex organisms can be unicellular C) cells are incapable of maintaining Homeostasis because they are too small D) All living things are made up of AT LEAST one cell
D) all living things are made up from at least one cell.
Arrange the Taxa in order from largest to smallest
DOMAIN KINGDOM (Keep). (Keep) PHYLUM (Plate (home)). (Pond) CLASS (Clear). (Clean) ORDER (Or) FAMILY (Feel) (Froggy) GENUS (greatly) (Gets) SPECIES. (Sorry) (Sick)
The process by which living organisms maintain a fairly constant internal environment despite changes in the external environment
Homeostasis
Which of the following is true regarding the structure of the atom?
Most of the mass of an atom is due to its protons and neutrons
The branch of science that studies the natural world within the context of life
biology
Which of the following characteristics applies to both living organisms and nonliving things? a) capable of spring energy for later use b) capable of growth c) composed of cells d) composed of matter e) capable of reproduction *in other words, which of these things do a human and a rock have in common with one another*
d) they are both composed of matter
Humans possess several characteristics that when taken together, differentiate them from other organisms. These characteristics include all of the following EXCEPT a) Large brain relative to body mass b) opposable thus c) Capacity for complex language d) Bipedalism e) the inability to maintain a constant internal body temperature. *which of these do humans have, and which do animals have*
e) the inability to maintain a constant internal body temperature