Chapter 1
Which level of biological organization is composed of several tissues?
A. Organism
B. Organ system
C. Organ
D. Cell
E. Molecules
C. Organ
A covalent bond is
A. A type of bond that results in ionic compounds
B. The transfer of electrons from one atom to another
C. A sharing of electrons between two atoms
D. An attraction of charged atoms
C. A sharing of electrons between two atoms
Learned behavior that causes a family of baby ducks to follow their mother is called
Imprinting
A. Populations
B. Communities
C. How populations are restricted by environmental resistance
D. Organisms as they interact with other organisms and with their physical surroundings
D. Organisms as they interact with other organisms and with their physical surroundings
In the biosphere, which is NOT constantly recycled?
A. Carbon
B. Nitrogen
C. Water
D. Energy
D. Energy
Which of the following statements about the strengths of science is false?
A. Science is publicly understandable
B. Scientific theories can change as new data become available
C. Scientific theories, once found to be true, are always true
D. Science is capable of making measurable predictions
C. Scientific theories, once found to be true, are always true
The lower the pH
A. The lower the hydrogen ion (H+) concentration
B. The more acidic the solution
C. The greater the hydroxide ion (OH-) concentration
D. The closer the hydroxide ion (OH-) concentration comes to equalling the hydrogen ion (H+) concentration
B. The more acidic the solution
A. Brightly colored males are healthier and more likely to produce healthy offspring
B. Brightly colored males are less attractive to predators
C. Brightly colored males are better parents and help with raising offspring
D. Brightly colored males are better camoflauged
A. Brightly colored males are healthier and more likely to produce healthy offspring
A form of symbiosis in which both participants benefit is
Mutualism
An ecosystem consists of what two components?
A. Grazing and detritus food chains
B. Habitat and niches
C. Biotic and abiotic factors
D. Water and temperature
C. Biotic and abiotic factors
When researchers test a new human cancer drug using mice, the mice constitute the:
A. Hypothesis
B. Data
C. Experimental design
D. Model
E. Control
D. Model
Water is liquid at room temperature due to
A. Ionic bonding of the atoms in the water molecule
B. Covalent bonding in the water molecule
C. Covalent bonding between water molecules
D. Hydrogen bonding between water molecules
D. Hydrogen bonding between water molecules
The mating strategy in which a female mates with multiple males is
A. Polyandry
B. Polygamy
C. Monogamy
D. Kin selection
A. Polyandry
The carrying capacity of the environment for a species is determined by
A. The reproductive rate of the organism
B. The number of organisms of that species
C. A complex "Balance of nature" That still has not been explained in terms that scientists can calculate
D. The limited productivity of the environment and the environmental resistance to the biotic potential of the organism
D. The limited productivity of the environment and the environmental resistance to the biotic potential of the organism
Energy flow in an ecosystem is NOT cyclic because energy is
A. increased as you go up the energy pyramid.
B. evenly spread out over many organisms.
C. converted to many kinds of useful energy.
D. no longer useful when it is converted to heat
Which sequence correctly lists the different levels of biological organization, from the smallest and simplest to the largest and most complex?
A. Cells-organs-tissues-organ systems-organism
B. Cells-tissues-organ systems-organs-organism
C. Tissues-cells-organs-organ systems-organism
D. Cells-tissues-organs-organ systems-organism
D. Cells-tissues-organs-organ systems-organism
Hemoglobin is a protein composed of two pairs of polypeptide chains. What is the highest level of protein structure represented by homoglobin?
A. Primary
B. Secondary
C. Tertiary
D. Quaternary
D. Quaternary
Which of the following statements is NOT true about fixed action patters (FAPs)?
A. All the members of a species perform the exact same sequence of behaviors
B. The behavior pattern is stereotyped
C. The fixed action pattern is considered to be initiated by a sign stimulus
D. FAPs require learning
D. FAPs require learning
A population of 100 butterflies living on an acre of land loses three-quarters of its members when a sudden freeze in the spring occurs just after they emerge as caterpillars. This population has undergone a reduction in population size due to
A. An intrinsic factor
B. A density-independent factor
C. A density-dependent factor
D. Natural selection
B. A density-independent factor
Given that most nutrients can dissolve into water, which of the following statements
is FALSE?
A. Runoff water can pollute a pond, stream, or lake if excess nutrients are carried
in the water.
B. Water can leach nutrients out of the soil and carry it away from an ecosystem.
C. Water can carry nutrients into the soil, where they are available to plants
through their roots.
D. N2 dissolves into water droplets and is carried to the earth to be used by
producers
D. N2 dissolves into water droplets and is carried to the earth to be used by producers
Jennifer wants to use the brand of fertilizer that gives her the most tomatoes from each plant. She breaks her plants into groups and uses a different brand of fertilizer on each group. What is the independent and dependent variable represented by?
Independent: Brand of fertilizer
Dependent: Amount of fruit produced by the tomato plants
The ___ structure of a protein consists of the sequence of the amino acids joined together by peptide bonds
Primary
Which is NOT true about the bee waggle dance?
A. Is a tactile form of behavior since it is done in a dark hive and the other bees touch the dancing bee to get information
B. It is primarily a visual form of behavior
C. The angle the bee moves to gravity communicates the angle a bee must fly
D. Bees can use the sun as a compass since they have an internal biological clock that allows them to compensate for the movement of the sun
B. It is primarily a visual form of behavior
Consider that a species of salmon lays 20,000 eggs per pair when it spawns and dies. At the end of the five years, an average of one pair of mature salmon from this group of hatched eggs returns again to spawn in the parent stream (19,998 have died). What is the per capita rate of increase?
A. 2,000 because this must be divided by five years
B. Zero, because there is exact replacement of the previous generation
C. -2,000, because there was this much average die-off per year
D. -19,998, because there was this much total loss
B. Zero, because there is exact replacement of the previous generation
B. Exchange pool to living organism to living organism to exchange pool