Campbell Biology In Focus, Loose-leaf Edition (3rd Edition)
3rd Edition
ISBN: 9780134895727
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky
Publisher: PEARSON
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Textbook Question
Chapter 35, Problem 9TYU
FOCUS ON EVOLUTION
Describe one invertebrate defense mechanism and discuss how it is an evolutionary adaptation retained in vertebrates.
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To put an end to the COVID-19 pandemic, vaccines were developed against the virus and people eligible to receive these are encouraged to get vaccinated. How do these vaccines work? *
The vaccine will not cause the disease, but will help develop the body’s first line of defense.
The vaccine mimics the virus that causes the disease and triggers the creation of antibodies.
No answer
The presence of the virus in the vaccine will improve the innate immune response of the body.
The vaccine causes a mild infection that will trigger the production of antibodies against the virus.
Choose the correct defense mechanism for each of the following statemnts. The choices are: behavioural defense, cryptic colouration, protective colouration and mimicry. A defense mechanism can be used more than once. Please explain in detail why each defense mechanism was picked.Examples:
A walking stick insect blends into the twigs in its habitat. Answer
A defenseless organism looks like a poisonous model. Answer
Two poisonous species evolved to look very similar in order to intensify the deterrence from predators. Answer
Orange elephant ear sponge is bright orange coloured and lives on ocean reefs. Answer
Cinnabar moth caterpillars have distinct black and yellow stripes. Answer
Hagfishes automatically produce fibrous slime from their body when they are captured. Answer
In arthropods the open circulatory system is the primary means by which cells receive oxygen for cellular respiration.
True
False
Chapter 35 Solutions
Campbell Biology In Focus, Loose-leaf Edition (3rd Edition)
Ch. 35.1 - Pus is both a sign of infection and an indicator...Ch. 35.1 - MAKE CONNECTIONS How do the molecules that...Ch. 35.1 - Prob. 3CCCh. 35.2 - Prob. 1CCCh. 35.2 - Explain how memory cells strengthen the immune...Ch. 35.2 - WHAT IF? If both copies of a light-chain gene and...Ch. 35.3 - Prob. 1CCCh. 35.3 - Prob. 2CCCh. 35.3 - Prob. 3CCCh. 35 - Prob. 1TYU
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- Prey defenses often seem more specialized than the counter-defenses of their predators. Why?arrow_forwardWhich of the following is true about innate immune system? Check all that apply. PAMPs recognize pathogen recognition receptors (PRRs) such as TLRs, NLRs and RLRs present on/in host cells TLRs that are expressed on cell surface are mostly recognized by viruses, whereas intracellular TLRs are recognized by bacteria PRRs can induce inflammatory response, opsonization and phagocytosis Pattern associated molecular patterns (PAMPs) are molecules such as CpG DNA, cytosolic dsDNA and RNAs made by the host cellarrow_forwardThe impact of communicable diseases (infectious diseases) on human health is obvious. The sudden outbreak of “severe acute respiratory syndrome coronavirus 2” [SARS-CoV-2]” (COVID-19) has made people realize the threat of communicable diseases and their threat to mankind as a complex humanitarian emergency. A highly reactive, multifunctional and efficient emergency management system should be established, and the significance of information communication should be fully understood for the future (Jin et al., 2020). What risk mitigation strategies are being deployed locally and internationally to mitigate the spread of the disease?arrow_forward
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