Answered: 1) In deciding whether to feed, a…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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1) In deciding whether to feed, a foraging individual must balance its potential energy gains against the risk of being eaten.

Question 1 options:

	True
	False

2) The type of mimicry in which many unpalatable or venomous species share a similar color pattern is called __________.

Question 2 options:

warning mimicry

Batesian mimicry

induced mimicry

Bolderian mimicry

Müllerian mimicry

3) A predator's __________ is the relationship between the per-capita rate of prey consumption and prey density.

Question 3 options:

density response

functional response

predatory efficiency

numerical response

lethality

4) Predator-prey systems frequently exhibit an oscillation pattern, such as when predator numbers increase following an increase in numbers of prey, with the predator numbers then crashing when prey numbers are depleted.

Question 4 options:

	True
	False

5) According to the optimal foraging theory, which of the following is NOT one of the factors that influence the likelihood of a predator's selecting a prey type?

Question 5 options:

search time required to find alternative prey types

profitability of the prey type

handling time

energy content

probability of their own predation

6) Which of the following examples of a defensive mutualism is FALSE?

Question 6 options:

Cleaner fish remove parasites from large fish and sea turtles at cleaning stations on coral reefs.

Fungi living inside plant tissue secrete alkaloids that are toxic to mammals.

Ants living in the thorns of acacia trees will attack herbivores.

Barnacles attached to whales are not at risk of being killed by predators.

The oxpecker bird eats parasitic ticks off large mammals such as the rhinoceros.

7) When an antigen enters the bloodstream, it triggers ____________________

Question 7 options:

a mutation

an allergic reaction

an immune response

a protein deficiency

8) Commensalism is a relationship between two species in which ____________________

Question 8 options:

both species benefit

one species benefits without significantly affecting the other

one species benefits while the other species is harmed

both species are harmed

9) Avian malaria, carried by introduced _____________, has eliminated most native Hawaiian birds below 1,000 m.

Question 9 options:

dogs

beetles

mosquitoes

rats

10) Which of the following statements about the response of hosts to parasitic infections is FALSE?

Question 10 options:

Grooming by mammals and birds is a defense against parasites.

If a parasitic infection occurs, the body often responds with an inflammatory defense, releasing histamines.

Some forms of defense against parasites are behavioral, such as deer avoiding deerflies by seeking dense, shaded areas.

An antibody response is the first line of defense when a parasitic infection occurs.

Plants cut off contact between fungal parasites and healthy tissue by forming cysts or scabs.

Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

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