QuestionGroup: #31 Evolution
Assigned as
Homework
31
Which of the below statements is NOT TRUE about human evolution?
A
While the total number of species that existed and the relationships among hominids is still unknown, some of the extinct hominids known today, however, are almost certainly direct ancestors of Homo sapiens.
B
Human evolution follows the mechanisms of natural selection.
C
Humans evolved from biological processes that are different from the processes that caused the development of other life forms on earth.
D
Many of the hominid species are close relatives, but not human ancestors.
E
Most hominids went extinct without giving rise to other species.
Unanswered
Submit
QuestionGroup: #32 Evolution2
Assigned as
Homework
32
______________ explains the process by which traits helpful in survival and reproduction become progressively more common in a population over the course of many generations.
A
Secondary metabolism
B
Darwinian theory of evolution
C
Evolutionary arms race
D
Biodiversity
E
Lemarkian theory of evolution
Unanswered
Submit
QuestionGroup: #33 Natural selection
Assigned as
Homework
33
Which of the following is considered to be "the most fit "from an evolutionary perspective?
A
a tiger who cares for his cubs, two of who live to adulthood.
B
a tiger who has a harem of many tigresses and one cub.
C
a tiger who is successful at capturing prey but has no cubs.
D
a tiger who has many cubs, twelve of which live to adulthood and they subsequently have cubs of their own.
E
a tiger who overcomes a new disease and lives to have four cubs.
Unanswered
Submit
QuestionGroup: #34 Natural selection 2
Assigned as
Homework
34
Which of the following is NOT a process of artificial selection?
A
(1),(2)
B
(1),(2),(3)
C
(1) Variation of traits within individuals
D
(2) Variation in some inheritable traits
E
(3) Breeders select animals with favorable traits
Unanswered
Submit
QuestionGroup: #35 Evolution & us
Assigned as
Homework
35
For bipedal movement in primates to occur, which anatomical changes had to take place?
A
The spine had to have a characteristic single curve
B
Thigh bone slopes outward from the hip to knee, placing feet under the center of gravity
C
The surfaces of the joints in legs and between vertebrae are enlarged
D
All of these are true regarding upright bipedal movement
Unanswered
Submit
QuestionGroup: #36 Evolution & us2
Assigned as
Homework
36
Neanderthal hominoids had which of the following characteristics?
A
To make art
B
Ability to speak
C
Ability to speak, make art, and were bipedal
D
Bipedalism
Unanswered
Submit
QuestionGroup: #37 CNS
Assigned as
Homework
37
Increasing the amplitude of a sound wave does what to the sound?
A
increases the amplitude
B
increases the decibels
C
Increases the harmonics
D
Increases the volume
E
Increases the pitch
Unanswered
Submit
QuestionGroup: #38 CNS2
Assigned as
Homework
38
Juan Manuel Marquez delivered a knockout punch to Manny Pacquiao. Manny cannot remember events that happened before the knock-out. What is this an example of?
A
Alzheimer's disease
B
Anterograde amnesia
C
Psychogenic amnesia
D
Retrograde amnesia
Unanswered
Submit
QuestionGroup: #39 PNS
Assigned as
Homework
39
The receptor hair cells in the cochlea respond to the frequency and amplitude of sound. Which group of receptors are most sensitive to sound?
A
Only those receptors that we normally do not use
B
Those that respond to low frequencies
C
Receptors respond equally to all frequencies.
D
Those that respond to high frequencies
Unanswered
Submit
QuestionGroup: #40 Smooth/skeletal
Assigned as
Homework
40
During skeletal muscle contraction where does ATP function?
A
Forms the cross bridges
B
Attaches to myosin
C
Causes the thick filaments to form thin filaments
D
Attaches to actin
