Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Textbook Question
Chapter 40, Problem 2AC
Many people like to eat spicy foods, but most other mammals don’t. Historically, the general trend was that the hotter the climate, the spicier the foods a society traditionally favored. Using these facts as a starting point, what might be the selective advantage for plants that can manufacture spicy chemicals? Why might it be useful for humans to tolerate, and even enjoy, spicy food?
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Students have asked these similar questions
Metal hyperaccumulating plants have evolved this unique phenotype because _______
Select one:
a.
they can be used to clean soil (phytoremedation)
b.
prevent herbivory (“better not touch….you’re poison….” –Alice Cooper or an unassuming insect)
c.
they can accumulate pricey and precious metals (cha-ching!)
d.
they can avoid these metals (clearly you are too focused on a summer break- enjoy it).
Prairie Crocus
Usually, the first spring flower people notice in the southern Yukon is the prairie
crocus.
Statements Related to the Adaptations of the Prairie Crocus
1 The prairie crocus, like the sunflower, is a heliotrope. That means its flower turns
through the day to follow the Sun. The petals act like a satellite dish to focus the light
and warmth of the sun into the centre flower. Small insects such as ants crawl into the
centre of the flower, where the temperature is significantly warmer, and move around
pollinating the flower.
2 The fine hairs on its leaves reduce water loss by protecting the leaves from the
wind.
3 The crocus blooms while the flower is still close to the ground and well-protected.
4 Unlike most plants, the stalk continues to grow even after the flower has been
pollinated so that the seed pod forms as high as possible for better seed distribution.
Identify the statement or statements that you would consider to be adaptations that
allow the prairie crocus to…
Can you answer all the parts to this question please
(a) What are the advantages of the self-incompatibility (SI) system in plants? Give at least three advantages.
(b) What are the differences between gametophytic SI and sporophytic SI?
Chapter 40 Solutions
Biology
Ch. 40.1 - list and describe the five major types of sensory...Ch. 40.1 - Prob. 2CYLCh. 40.2 - Prob. 1CYLCh. 40.3 - Prob. 1CYLCh. 40.3 - give some examples of mechanoreceptors in your...Ch. 40.4 - describe the parts of the human ear and explain...Ch. 40.4 - Prob. 2CYLCh. 40.4 - explain how pitch and loudness are encoded?Ch. 40.5 - Prob. 1TCCh. 40.5 - Whales arent the only animals affected by human...
Ch. 40.5 - Prob. 1CYLCh. 40.5 - Prob. 2CYLCh. 40.6 - Prob. 1TCCh. 40.6 - Despite the presence of the Wind spot, you do not...Ch. 40.6 - Prob. 3TCCh. 40.6 - describe the structures of the human eye and...Ch. 40.6 - Prob. 2CYLCh. 40.6 - Prob. 3CYLCh. 40.7 - Prob. 1CYLCh. 40.7 - Prob. 2CYLCh. 40.8 - Prob. 1HYEWCh. 40.8 - Prob. 1CYLCh. 40.8 - Prob. 2CYLCh. 40.8 - Retinal implants have boon developed to provide...Ch. 40 - Prob. 1MCCh. 40 - Prob. 2MCCh. 40 - Prob. 3MCCh. 40 - A large receptor potential in a sensory receptor...Ch. 40 - Prob. 5MCCh. 40 - Prob. 1FIBCh. 40 - Prob. 2FIBCh. 40 - Prob. 3FIBCh. 40 - Prob. 4FIBCh. 40 - Prob. 5FIBCh. 40 - Prob. 1RQCh. 40 - Prob. 2RQCh. 40 - Why are we apparently able to distinguish hundreds...Ch. 40 - Prob. 4RQCh. 40 - Prob. 5RQCh. 40 - Diagram the overall structure of the human eye....Ch. 40 - Prob. 7RQCh. 40 - Compare and contrast rods and cones.Ch. 40 - Prob. 9RQCh. 40 - We dont merely identify odors. We also label them...Ch. 40 - Many people like to eat spicy foods, but most...
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