Question 1

Can the biomass of all animals on earth ever exceed the biomass of all of the plants? Why? or why not?

Accepted Answer

The biomass of all animals on Earth is h

Question 2

A study of both a living community and all of its physical factors would focus on what level of organization

Accepted Answer

A)  Trophic levels 
B)  Various biomes 
C)  The biosphere 
D)  Ecosystem 
A)  Trophic levels 
B)  Various biomes 
C)  The biosphere 
D)  Ecosystem

Question 3

Most energy enters the ecosystem as

Accepted Answer

A)  cell respiration. 
B)  plant growth. 
C)  chemical bond energy. 
D)  oxygen. 
E)  light energy. 
A)  cell respiration. 
B)  plant growth. 
C)  chemical bond energy. 
D)  oxygen. 
E)  light energy.

Question 4

Two species of caterpillar feed on the same species of corn.On close inspection,the two insects are found to be feeding on different parts of the corn,the root and the stem.What principle does this support?

Accepted Answer

A)  keystone species. 
B)  niche overlap. 
C)  competitive exclusion. 
D)  Batesian mimicry. 
A)  keystone species. 
B)  niche overlap. 
C)  competitive exclusion. 
D)  Batesian mimicry.

Question 5

Compare logistic growth with exponential growth.Would a pest insect species more likely exhibit a logistic growth curve or an exponential growth curve? Explain your reasoning.

Accepted Answer

Logistic growth and exponential growth a

Question 6

A species of bat is found in 1)groves and grasslands,2)has a 4 degree temperature limit and 3)is at the end of its food chain.This defines its

Accepted Answer

A)  range and habitat. 
B)  habitat and niche. 
C)  range and ecology. 
D)  ecology. 
A)  range and habitat. 
B)  habitat and niche. 
C)  range and ecology. 
D)  ecology.

Question 7

The energy storage in an animal's tissues is called

Accepted Answer

A)  primary productivity. 
B)  gross productivity. 
C)  standing crop. 
D)  biomass. 
A)  primary productivity. 
B)  gross productivity. 
C)  standing crop. 
D)  biomass.

Question 8

An interaction in which one species derives benefit from its host but neither benefits nor harms the host is ____________.

Accepted Answer

The answer of An interaction in which one species derives...

Question 9

Natural populations are controlled by density-dependent and density-independent forces.What is an example of a density independent factor?

Accepted Answer

A)  Adverse weather 
B)  Food supply 
C)  Supply of nest sites 
D)  Supply of mates 
A)  Adverse weather 
B)  Food supply 
C)  Supply of nest sites 
D)  Supply of mates

Question 10

An assemblage of living organisms sharing the same environment is referred to as a ____________.

Accepted Answer

The answer of An assemblage of living organisms sharing the...

Question 11

What is a keystone species?

Accepted Answer

A)  a predator that preys upon many different species in a community 
B)  a species whose removal causes major shifts in other species in a community 
C)  a mimic that has the same appearance as another, poisonous species 
D)  a prey species that must be present for its predator to survive 
E)  the most abundant species in a particular community 
A)  a predator that preys upon many different species in a community 
B)  a species whose removal causes major shifts in other species in a community 
C)  a mimic that has the same appearance as another, poisonous species 
D)  a prey species that must be present for its predator to survive 
E)  the most abundant species in a particular community

Question 12

Does competition promote the process of speciation? Why or why not?

Accepted Answer

Competition can promote the process of s

Question 13

There can usually be no more than 4 or 5 trophic levels in a food chain because there is such a great loss of __________ between trophic levels.

Accepted Answer

The answer of There can usually be no more than...

Question 14

Whether most young of an animal die soon after they are born or grow up such that most of the population dies in old age is called

Accepted Answer

A)  carrying capacity. 
B)  intrinsic rate of growth. 
C)  cohort. 
D)  survivorship. 
E)  the limiting resource. 
A)  carrying capacity. 
B)  intrinsic rate of growth. 
C)  cohort. 
D)  survivorship. 
E)  the limiting resource.

Question 15

Distinguish between a habitat and a niche.Can these terms ever refer to the same thing?

Accepted Answer

A habitat refers to the specific place o

Question 16

While an animal can survive (determined by lab tests)between the temperatures of 10oC and 30oC,we find in nature that the animal only exists between 16oC and 28oC.This is a difference between the __________________ and __________________.

Accepted Answer

A)  fundamental habitat; realized habitat 
B)  fundamental niche; realized niche 
C)  realized habitat; fundamental habitat 
D)  realized niche; fundamental niche 
A)  fundamental habitat; realized habitat 
B)  fundamental niche; realized niche 
C)  realized habitat; fundamental habitat 
D)  realized niche; fundamental niche

Question 17

Discuss the different ecological effects of density independent factors and density-dependent factors on animal populations.

Accepted Answer

Density-independent factors and density-

Question 18

The carrying capacity of the environment is determined by

Accepted Answer

A)  the limiting resource in the environment. 
B)  the reproductive rate of an animal group. 
C)  the occurrence of disease. 
D)  a complex "balance of nature" that remains to be explained in terms that scientists can calculate. 
E)  the resources that are in surplus in the environment. 
A)  the limiting resource in the environment. 
B)  the reproductive rate of an animal group. 
C)  the occurrence of disease. 
D)  a complex "balance of nature" that remains to be explained in terms that scientists can calculate. 
E)  the resources that are in surplus in the environment.

Question 19

Explain the following concepts: age structure,survivorship curves,and intrinsic rate of increase.

Accepted Answer

Age structure refers to the distribution

Question 20

Ecologists have found that

Accepted Answer

A)  life as we know it does not match the energy laws of physics. 
B)  ecology cannot be explained using principles from chemistry and physics. 
C)  it is possible to capture all the photosynthetic energy absorbed as molecules of glucose. 
D)  energy flows one way through ecosystems and requires external input. 
A)  life as we know it does not match the energy laws of physics. 
B)  ecology cannot be explained using principles from chemistry and physics. 
C)  it is possible to capture all the photosynthetic energy absorbed as molecules of glucose. 
D)  energy flows one way through ecosystems and requires external input.

Exam 38: Animal Ecology

Can the biomass of all animals on earth ever exceed the biomass of all of the plants? Why? or why not?

A study of both a living community and all of its physical factors would focus on what level of organization

Most energy enters the ecosystem as

Two species of caterpillar feed on the same species of corn.On close inspection,the two insects are found to be feeding on different parts of the corn,the root and the stem.What principle does this support?

Compare logistic growth with exponential growth.Would a pest insect species more likely exhibit a logistic growth curve or an exponential growth curve? Explain your reasoning.

A species of bat is found in 1)groves and grasslands,2)has a 4 degree temperature limit and 3)is at the end of its food chain.This defines its

The energy storage in an animal's tissues is called

An interaction in which one species derives benefit from its host but neither benefits nor harms the host is ____________.

Natural populations are controlled by density-dependent and density-independent forces.What is an example of a density independent factor?

An assemblage of living organisms sharing the same environment is referred to as a ____________.

What is a keystone species?

Does competition promote the process of speciation? Why or why not?

There can usually be no more than 4 or 5 trophic levels in a food chain because there is such a great loss of __________ between trophic levels.

Whether most young of an animal die soon after they are born or grow up such that most of the population dies in old age is called

Distinguish between a habitat and a niche.Can these terms ever refer to the same thing?

While an animal can survive (determined by lab tests)between the temperatures of 10oC and 30oC,we find in nature that the animal only exists between 16oC and 28oC.This is a difference between the __________________ and __________________.

Discuss the different ecological effects of density independent factors and density-dependent factors on animal populations.

The carrying capacity of the environment is determined by

Explain the following concepts: age structure,survivorship curves,and intrinsic rate of increase.

Ecologists have found that

Life: Biological Principles and the Science of Zoology

The Origin and Chemistry of Life

Cells As Units of Life

Cellular Metabolism

Genetics: a Review

Organic Evolution

The Reproductive Process

Principles of Development

Architectural Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Radiate Animals

Acoelomorpha,Platyzoa,and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Trilobites, Chelicerates, and Myriapods

Crustaceans

Support, Protection, and Movement

Chaetognaths, Echinoderms, and Hemichordates

Chordates

Fishes

Early Tetrapods and Modern Amphibians

Amniote Origins and Nonavian Reptiles

Birds

Mammals

Support, protection, and Movement

Homeostasis: Osmotic Regulation, Excretion, and Temperature Regulation

Homeostasis: Internal Fluids and Respiration

Digestion and Nutrition

Nervous Coordination: Nervous System and Sense Organs

Chemical Coordination: Endocrine System

Immunity

Animal Behavior

Animal Distributions

Filters

While an animal can survive (determined by lab tests)between the temperatures of 10^oC and 30^oC,we find in nature that the animal only exists between 16^oC and 28^oC.This is a difference between the and .