BIO 315 exam 3 comprehensive
Questions and Answers with Verified
Solutions
Question 1:
Adaptation
Answer:
A trait that increases the ability of an individual to survive or reproduce
compared to individuals without the trait
Question 2:
Adaptationist program
Answer:
Studies to further understand adaptation ex: While the adaptive nature of
many traits (such as eyes) appears obvious, developing a true
understanding of the adaptive significance of traits requires effort
Question 3:
a hallmark of scientific hypotheses is that they make _____________
predictions
Answer:
falsifiable
,Question 4:
Experimental method
Answer:
1. Ask a biological question 2. In light of evolution develop plausible
hypotheses and predictions (must be falsifiable) 3. Subject the
hypotheses and predictions to formal test
Question 5:
Mike Green et. al 1. Question: Does the combination of wing markings
and waving in Zonosemata mimic the threat displays that jumping spiders
use on each other, and thereby allow the flies to escape predation? 2.
List of alternative explanations: Hypothesis 1: The flies do not mimic
spiders.(Null) Hypothesis 2: The flies mimic jumping spiders to deter
other predators. (alternative) Hypothesis 3: The flies mimic jumping
spiders to deter predation by the jumping spiders
Answer:
Experimental study with zonosemata
Question 6:
Results of zonosemata experiment
Answer:
Hypothesis 3 was supported!!!! jumping spiders retreated from treatment
A (Unaltered Zonosemata) and treatment B (Replace Zonosemata wings
with its own wings). Jumping spiders attacked C (Replace the wings of
Zonosemata and with housefly wings), D (Replace the wings of
houseflies with Zonosemata wings) and E (Unaltered house fly) Other
predators (assassin bugs, preying mantises, and whiptail lizards)
attacked and ate flies subject to all treatment types.
, Question 7:
Experiments are typically the most powerful means of testing hypotheses
about adaptation. But _____________________ studies can be nearly as
good.
Answer:
observational
Question 8:
Do Garter Snakes make Adaptative Choices When Looking for a
Nighttime Retreat?
Answer:
Garter snakes (Thamnophis elegans) were studied at Clear Lake, CA, by
Ray Huey et al. Huey et al. implanted snakes with radio transmitters that
could provide information on a snake's location and temperature. In the
lab, snakes prefer 28-30 degrees C. In Nature they do a remarkable job
of thermoregulation in this range
Question 9:
To prove behavioral thermoreg-
Answer:
An animal is choosing a particular temperature environment more often
than it would encounter it than if it moved randomly through its
environment.
Question 10:
temperature variation imposed by the local environment of the snakes
were characterized by?
Answer:
Under rocks of different size and thickness. Burrows of different depths.
At the soil surface.
Questions and Answers with Verified
Solutions
Question 1:
Adaptation
Answer:
A trait that increases the ability of an individual to survive or reproduce
compared to individuals without the trait
Question 2:
Adaptationist program
Answer:
Studies to further understand adaptation ex: While the adaptive nature of
many traits (such as eyes) appears obvious, developing a true
understanding of the adaptive significance of traits requires effort
Question 3:
a hallmark of scientific hypotheses is that they make _____________
predictions
Answer:
falsifiable
,Question 4:
Experimental method
Answer:
1. Ask a biological question 2. In light of evolution develop plausible
hypotheses and predictions (must be falsifiable) 3. Subject the
hypotheses and predictions to formal test
Question 5:
Mike Green et. al 1. Question: Does the combination of wing markings
and waving in Zonosemata mimic the threat displays that jumping spiders
use on each other, and thereby allow the flies to escape predation? 2.
List of alternative explanations: Hypothesis 1: The flies do not mimic
spiders.(Null) Hypothesis 2: The flies mimic jumping spiders to deter
other predators. (alternative) Hypothesis 3: The flies mimic jumping
spiders to deter predation by the jumping spiders
Answer:
Experimental study with zonosemata
Question 6:
Results of zonosemata experiment
Answer:
Hypothesis 3 was supported!!!! jumping spiders retreated from treatment
A (Unaltered Zonosemata) and treatment B (Replace Zonosemata wings
with its own wings). Jumping spiders attacked C (Replace the wings of
Zonosemata and with housefly wings), D (Replace the wings of
houseflies with Zonosemata wings) and E (Unaltered house fly) Other
predators (assassin bugs, preying mantises, and whiptail lizards)
attacked and ate flies subject to all treatment types.
, Question 7:
Experiments are typically the most powerful means of testing hypotheses
about adaptation. But _____________________ studies can be nearly as
good.
Answer:
observational
Question 8:
Do Garter Snakes make Adaptative Choices When Looking for a
Nighttime Retreat?
Answer:
Garter snakes (Thamnophis elegans) were studied at Clear Lake, CA, by
Ray Huey et al. Huey et al. implanted snakes with radio transmitters that
could provide information on a snake's location and temperature. In the
lab, snakes prefer 28-30 degrees C. In Nature they do a remarkable job
of thermoregulation in this range
Question 9:
To prove behavioral thermoreg-
Answer:
An animal is choosing a particular temperature environment more often
than it would encounter it than if it moved randomly through its
environment.
Question 10:
temperature variation imposed by the local environment of the snakes
were characterized by?
Answer:
Under rocks of different size and thickness. Burrows of different depths.
At the soil surface.
